diff --git a/.bumpversion.cfg b/.bumpversion.cfg
new file mode 100644
index 0000000..12a3bfc
--- /dev/null
+++ b/.bumpversion.cfg
@@ -0,0 +1,13 @@
+[bumpversion]
+commit = True
+tag = False
+current_version = 0.1.0
+parse = (?P<major>\d+)\.(?P<minor>\d+)\.(?P<patch>\d+)(\-(?P<release>[a-z]+))?
+serialize = 
+	{major}.{minor}.{patch}-{release}
+	{major}.{minor}.{patch}
+
+[bumpversion:file:kcpy/__init__.py]
+
+[bumpversion:file:VERSION]
+
diff --git a/.gitignore b/.gitignore
index 78146e0..121aa9d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -115,3 +115,5 @@ erl_crash.dump
 *.db
 Documentation/
 .cache/
+
+.pytest_cache/
\ No newline at end of file
diff --git a/LICENSE b/LICENSE
index 41c6bbf..bc1f09c 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2017 Hengfeng Li
+Copyright (c) 2018 Hengfeng Li
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..f1377b5
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,30 @@
+PYTHON ?= python
+GIT ?= git
+
+clean: clean-pyc clean-build
+
+clean-dist: clean clean-git-force
+
+clean-build:
+	rm -rf build/ dist/ .eggs/ *.egg-info/ .tox/ .coverage cover/
+
+clean-pyc:
+	-find . -type f -a \( -name "*.pyc" -o -name "*$$py.class" \) | xargs rm
+	-find . -type d -name "__pycache__" | xargs rm -r
+
+clean-git:
+	$(GIT) clean -xdn
+
+clean-git-force:
+	$(GIT) clean -xdf
+
+test:
+	pytest tests/tests.py
+
+build:
+	$(PYTHON) setup.py sdist bdist_wheel
+
+dist: clean-dist build
+
+lint:
+	flake8
\ No newline at end of file
diff --git a/Pipfile b/Pipfile
index 0765722..b604ccd 100644
--- a/Pipfile
+++ b/Pipfile
@@ -1,17 +1,14 @@
 [[source]]
-
 url = "https://pypi.python.org/simple"
 verify_ssl = true
 name = "pypi"
 
-
 [packages]
-
 "boto3" = "*"
 
-
 [dev-packages]
-
-moto = "*"
 pytest = "*"
 faker = "*"
+bumpversion = "*"
+"flake8" = "*"
+moto = "*"
diff --git a/Pipfile.lock b/Pipfile.lock
index e1bfdf5..50d981f 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,20 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "b914738f83cf0ed928010e7d49f54ade3733fe7dd876f0b8665bd58a4383a7fa"
-        },
-        "host-environment-markers": {
-            "implementation_name": "cpython",
-            "implementation_version": "3.6.2",
-            "os_name": "posix",
-            "platform_machine": "x86_64",
-            "platform_python_implementation": "CPython",
-            "platform_release": "16.5.0",
-            "platform_system": "Darwin",
-            "platform_version": "Darwin Kernel Version 16.5.0: Fri Mar  3 16:52:33 PST 2017; root:xnu-3789.51.2~3/RELEASE_X86_64",
-            "python_full_version": "3.6.2",
-            "python_version": "3.6",
-            "sys_platform": "darwin"
+            "sha256": "322a0bbcdf559f60f9e3490e6c6b6b446f015f6120d90c654ac75e09e8ceec02"
         },
         "pipfile-spec": 6,
         "requires": {},
@@ -29,394 +16,179 @@
     "default": {
         "boto3": {
             "hashes": [
-                "sha256:edd35eb7cd8d56f08e65b112206936cf9f76bb406fb15f63075ff72331ef6f5f",
-                "sha256:332c6a17fd695581dd6f9ed825ce13c2d5ee3a6f5e1b079bed0ff7293809faf0"
+                "sha256:8cf861abc8ac7c7db6d4c4cb3f300b64bdc9490482ebdffd6f6cd46a730dd524",
+                "sha256:afabd27d49b74ae0d5e5f20c9ec7b4b5d26bd1f7bb5b01e670a7d4c35f535a4e"
             ],
-            "version": "==1.4.8"
+            "index": "pypi",
+            "version": "==1.9.7"
         },
         "botocore": {
             "hashes": [
-                "sha256:2bae4f2a1746ccb5ed6ab07a95de007d72a6d6aea68fef6294580c6bf579e4e3",
-                "sha256:257f3f85bc292ce4569a3232a4f3b5b07d411d1b51f901218339057682c45d2b"
+                "sha256:22c1460e0ff40a4d25198b8d807a24fc7ecd95162d72d3e1496a7a571ae7468d",
+                "sha256:5fca20d37627823d50a101ad9acb5a0b1f6d7f82b6d84cb7a33afe8d68a03f75"
             ],
-            "version": "==1.8.1"
+            "version": "==1.12.7"
         },
         "docutils": {
             "hashes": [
-                "sha256:7a4bd47eaf6596e1295ecb11361139febe29b084a87bf005bf899f9a42edc3c6",
                 "sha256:02aec4bd92ab067f6ff27a38a38a41173bf01bed8f89157768c1573f53e474a6",
-                "sha256:51e64ef2ebfb29cae1faa133b3710143496eca21c530f3f71424d77687764274"
+                "sha256:51e64ef2ebfb29cae1faa133b3710143496eca21c530f3f71424d77687764274",
+                "sha256:7a4bd47eaf6596e1295ecb11361139febe29b084a87bf005bf899f9a42edc3c6"
             ],
             "version": "==0.14"
         },
         "jmespath": {
             "hashes": [
-                "sha256:f11b4461f425740a1d908e9a3f7365c3d2e569f6ca68a2ff8bc5bcd9676edd63",
-                "sha256:6a81d4c9aa62caf061cb517b4d9ad1dd300374cd4706997aff9cd6aedd61fc64"
+                "sha256:6a81d4c9aa62caf061cb517b4d9ad1dd300374cd4706997aff9cd6aedd61fc64",
+                "sha256:f11b4461f425740a1d908e9a3f7365c3d2e569f6ca68a2ff8bc5bcd9676edd63"
             ],
             "version": "==0.9.3"
         },
         "python-dateutil": {
             "hashes": [
-                "sha256:95511bae634d69bc7329ba55e646499a842bc4ec342ad54a8cdb65645a0aad3c",
-                "sha256:891c38b2a02f5bb1be3e4793866c8df49c7d19baabf9c1bad62547e0b4866aca"
+                "sha256:1adb80e7a782c12e52ef9a8182bebeb73f1d7e24e374397af06fb4956c8dc5c0",
+                "sha256:e27001de32f627c22380a688bcc43ce83504a7bc5da472209b4c70f02829f0b8"
             ],
-            "version": "==2.6.1"
+            "markers": "python_version >= '2.7'",
+            "version": "==2.7.3"
         },
         "s3transfer": {
             "hashes": [
-                "sha256:c7b16f4cca5acd2bd57ac9623bfba3fece047247392893506d0d2e6f25620eb3",
-                "sha256:76f1f58f4a47e2c8afa135e2c76958806a3abbc42b721d87fd9d11409c75d979"
+                "sha256:90dc18e028989c609146e241ea153250be451e05ecc0c2832565231dacdf59c1",
+                "sha256:c7a9ec356982d5e9ab2d4b46391a7d6a950e2b04c472419f5fdec70cc0ada72f"
             ],
-            "version": "==0.1.11"
+            "version": "==0.1.13"
         },
         "six": {
             "hashes": [
-                "sha256:832dc0e10feb1aa2c68dcc57dbb658f1c7e65b9b61af69048abc87a2db00a0eb",
-                "sha256:70e8a77beed4562e7f14fe23a786b54f6296e34344c23bc42f07b15018ff98e9"
+                "sha256:70e8a77beed4562e7f14fe23a786b54f6296e34344c23bc42f07b15018ff98e9",
+                "sha256:832dc0e10feb1aa2c68dcc57dbb658f1c7e65b9b61af69048abc87a2db00a0eb"
             ],
             "version": "==1.11.0"
-        }
-    },
-    "develop": {
-        "asn1crypto": {
-            "hashes": [
-                "sha256:654b7db3b120e23474e9a1e5e38d268c77e58a9e17d2cb595456c37309846494",
-                "sha256:0874981329cfebb366d6584c3d16e913f2a0eb026c9463efcc4aaf42a9d94d70"
-            ],
-            "version": "==0.23.0"
-        },
-        "aws-xray-sdk": {
-            "hashes": [
-                "sha256:9733dc0f5f96a6e1ea83fc857c64de146fe0a0281def7cd278e6ed0b0076ca21",
-                "sha256:129688c3d5adcf0d1fd2d5a5de4ab6aaab2711f54c34b2bab7b4352d32bd42b5"
-            ],
-            "version": "==0.94"
-        },
-        "boto": {
-            "hashes": [
-                "sha256:13be844158d1bd80a94c972c806ec8381b9ea72035aa06123c5db6bc6a6f3ead",
-                "sha256:deb8925b734b109679e3de65856018996338758f4b916ff4fe7bb62b6d7000d1"
-            ],
-            "version": "==2.48.0"
-        },
-        "boto3": {
-            "hashes": [
-                "sha256:edd35eb7cd8d56f08e65b112206936cf9f76bb406fb15f63075ff72331ef6f5f",
-                "sha256:332c6a17fd695581dd6f9ed825ce13c2d5ee3a6f5e1b079bed0ff7293809faf0"
-            ],
-            "version": "==1.4.8"
         },
-        "botocore": {
-            "hashes": [
-                "sha256:2bae4f2a1746ccb5ed6ab07a95de007d72a6d6aea68fef6294580c6bf579e4e3",
-                "sha256:257f3f85bc292ce4569a3232a4f3b5b07d411d1b51f901218339057682c45d2b"
-            ],
-            "version": "==1.8.1"
-        },
-        "certifi": {
-            "hashes": [
-                "sha256:244be0d93b71e93fc0a0a479862051414d0e00e16435707e5bf5000f92e04694",
-                "sha256:5ec74291ca1136b40f0379e1128ff80e866597e4e2c1e755739a913bbc3613c0"
-            ],
-            "version": "==2017.11.5"
-        },
-        "cffi": {
-            "hashes": [
-                "sha256:2c707e97ad7b0417713543be7cb87315c015bb5dd97903480168d60ebe3e313e",
-                "sha256:6d8c7e20eb90be9e1ccce8e8dd4ee5163b37289fc5708f9eeafc00adc07ba891",
-                "sha256:627298d788edcb317b6a01347428501e773f5e8f2988407231c07e50e3f6c1cf",
-                "sha256:bdd28cf8302eeca1b4c70ec727de384d4f6ea640b0e698934fd9b4c3bc88eeb1",
-                "sha256:248198cb714fe09f5c60b6acba3675d52199c6142641536796cdf89dd45e5590",
-                "sha256:c962cb68987cbfb70b034f153bfa467c615c0b55305d39b3237c4bdbdbc8b0f4",
-                "sha256:401ba2f6c1f1672b6c38670e1c00fa5f84f841edd30c32742dab5c7151cd89bf",
-                "sha256:1c103c0ee8235c47c4892288b2287014f33e7cb24b9d4a665be3aa744377dcb9",
-                "sha256:d7461ef8671ae40f991384bbc4a6b1b79f4e7175d8052584be44041996f46517",
-                "sha256:3ac9be5763238da1d6fa467c43e3f86472626837a478588c94165df09e62e120",
-                "sha256:d54a7c37f954fdbb971873c935a77ddc33690cec9b7ac254d9f948c43c32fa83",
-                "sha256:4d9bf1b23896bcd4d042e823f50ad36fb6d8e1e645a3dfb2fe2f070851489b92",
-                "sha256:61cf049b1c649d8eec360a1a1d09a61c37b9b2d542364506e8feb4afd232363d",
-                "sha256:ce3da410ae2ab8709565cc3b18fbe9a0eb96ea7b2189416098c48d839ecced84",
-                "sha256:e72d8b5056f967ecb57e166537408bc913f2f97dc568027fb6342fcfa9f81d64",
-                "sha256:11a8ba88ef6ae89110ef029dae7f1a293365e50bdd0c6ca973beed80cec95ae4",
-                "sha256:974f69112721ba2e8a6acd0f6b68a5e11432710a3eca4e4e6f4d7aaf99214ed1",
-                "sha256:062c66dabc3faf8e0db1ca09a6b8e308846e5d35f43bed1a68c492b0d96ac171",
-                "sha256:03a9b9efc280dbe6be149a7fa689f59a822df009eee633fdaf55a6f38795861f",
-                "sha256:8b3d6dc9981cedfb1ddcd4600ec0c7f5ac2c6ad2dc482011c7eecb4ae9c819e0",
-                "sha256:09b7d195d163b515ef7c2b2e26a689c9816c83d5319cceac6c36ffdab97ab048",
-                "sha256:943b94667749d1cfcd964e215a20b9c891deae913202ee8eacaf2b94164b155f",
-                "sha256:89829f5cfbcb5ad568a3d61bd23a8e33ad69b488d8f6a385e0097a4c20742a9b",
-                "sha256:ba78da7c940b041cdbb5aaff5afe11e8a8f25fe19564c12eefea5c5bd86930ca",
-                "sha256:a79b15b9bb4726672865cf5b0f63dee4835974a2b11b49652d70d49003f5d1f4",
-                "sha256:f6799913eb510b682de971ddef062bbb4a200f190e55cae81c413bc1fd4733c1",
-                "sha256:e7f5ad6b12f21b77d3a37d5c67260e464f4e9068eb0c0622f61d0e30390b31b6",
-                "sha256:5f96c92d5f5713ccb71e76dfa14cf819c59ecb9778e94bcb541e13e6d96d1ce5",
-                "sha256:5357b465e3d6b98972b7810f9969c913d365e75b09b7ba813f5f0577fe1ac9f4",
-                "sha256:75e1de9ba7c155d89bcf67d149b1c741df553c8158536e8d27e63167403159af",
-                "sha256:ab87dd91c0c4073758d07334c1e5f712ce8fe48f007b86f8238773963ee700a6"
-            ],
-            "markers": "platform_python_implementation != 'PyPy'",
-            "version": "==1.11.2"
-        },
-        "chardet": {
-            "hashes": [
-                "sha256:fc323ffcaeaed0e0a02bf4d117757b98aed530d9ed4531e3e15460124c106691",
-                "sha256:84ab92ed1c4d4f16916e05906b6b75a6c0fb5db821cc65e70cbd64a3e2a5eaae"
-            ],
-            "version": "==3.0.4"
-        },
-        "cookies": {
-            "hashes": [
-                "sha256:15bee753002dff684987b8df8c235288eb8d45f8191ae056254812dfd42c81d3",
-                "sha256:d6b698788cae4cfa4e62ef8643a9ca332b79bd96cb314294b864ae8d7eb3ee8e"
-            ],
-            "version": "==2.2.1"
-        },
-        "cryptography": {
+        "urllib3": {
             "hashes": [
-                "sha256:e130218bfb20d644510f24950cbeee350b15f4b318099b627c29975f12b9b7b3",
-                "sha256:f2ff1dda46f63b59bf01287c9a5bc8c8278b875a30c0ef26bac807ea4c1632ce",
-                "sha256:2d51a144f3447d0d87e07a433a11761e6b50c3ed89de6d0406e191d52612150f",
-                "sha256:4cc18262270dc0266934cfdfea7199dc65b9e3b31c68ead8685eb3649498dbe4",
-                "sha256:1fc1c6ad9f04871399de407a4f0f555adba5c7ec68068fd27d7ceee9e493755c",
-                "sha256:317ab5134ea176c03d068de5094e5b6ab580af2ba42ce596536bcc2e694057bc",
-                "sha256:af5b36499d6790480de0b9876982d027a698149c3f195c888be53fe48faff8e7",
-                "sha256:58d4c74cd6e6f54a60fd32874c03ba6230c9a1673699ee16811a6b96f91faf56",
-                "sha256:05cb4130ebe2d591141501ed06b85072cb3be5e5a0e943a5c487bd6858adcf64",
-                "sha256:791e228b5df8f124bfa33384195864cb9f5420b619580258d9002f14e625312e",
-                "sha256:b03dc0e2ab4bf02b43cf37ecc994344dc34e90567a8a563fb7538832475974c1",
-                "sha256:2ec3de13c3b0c5901820a58c337aca0f00be185c49bfc2c07eee0fe0af201c64",
-                "sha256:af8a9241bc8e1d2c9f10b7f5c3be8540af0c20b8e9af8c8cf4412971b7f78de5",
-                "sha256:57b7f8be4c817032dcd2c94f4dac6204ec2e85ef1881b4a660e56e7a63529eeb",
-                "sha256:35eb35340fdc0b772301f9de985db8d732f3c79dbd647d06b9a8e4e111b53950",
-                "sha256:12a16d4c7324166d78e112892236dd07e9b734cbee267ebf58a66c0f2a6fb3ae",
-                "sha256:346db72935450d2fb5c807e7f2051830e9bd33ea9471cd14bbf585ea2d5b7c0d",
-                "sha256:d4dbf045ee55aabdeb1e8e7550783f42c6f51d70a6069bd63669f34a4408b506",
-                "sha256:3beb79972cc26fa7fb553e59a0e96e476cd73c29c3d80456ac6562e7b217a677",
-                "sha256:2d72c8cd1e2be9942052b85b1481c74b2eb36780889696ce66afe602c04b9c67",
-                "sha256:0764c38c8e2e83238be5821757271cd3ef91dc3ee5bd7915c6b8e255bf1ad5c8",
-                "sha256:06c5a28e12539485c0c9e2e561335b835f5f0fdf2d5700b49835bad8607952ba",
-                "sha256:68a26c353627163d74ee769d4749f2ee243866e9dac43c93bb33ebd8fbed1199"
+                "sha256:a68ac5e15e76e7e5dd2b8f94007233e01effe3e50e8daddf69acfd81cb686baf",
+                "sha256:b5725a0bd4ba422ab0e66e89e030c806576753ea3ee08554382c14e685d117b5"
             ],
-            "version": "==2.1.3"
-        },
-        "docker": {
+            "markers": "python_version != '3.1.*' and python_version < '4' and python_version != '3.2.*' and python_version >= '2.6' and python_version != '3.3.*' and python_version != '3.0.*'",
+            "version": "==1.23"
+        }
+    },
+    "develop": {
+        "atomicwrites": {
             "hashes": [
-                "sha256:11589e3a7742f900978b4d3e3a6910542ea44cc65de82835dc5f25fcdedc2c23",
-                "sha256:6f417527b3cfd7ba1f5be5fb1d9a2500706b5968f66773131d81c18e19b7a325"
+                "sha256:0312ad34fcad8fac3704d441f7b317e50af620823353ec657a53e981f92920c0",
+                "sha256:ec9ae8adaae229e4f8446952d204a3e4b5fdd2d099f9be3aaf556120135fb3ee"
             ],
-            "version": "==2.6.1"
+            "markers": "python_version >= '2.7' and python_version != '3.1.*' and python_version != '3.2.*' and python_version != '3.3.*' and python_version != '3.0.*'",
+            "version": "==1.2.1"
         },
-        "docker-pycreds": {
+        "attrs": {
             "hashes": [
-                "sha256:58d2688f92de5d6f1a6ac4fe25da461232f0e0a4c1212b93b256b046b2d714a9",
-                "sha256:93833a2cf280b7d8abbe1b8121530413250c6cd4ffed2c1cf085f335262f7348"
+                "sha256:10cbf6e27dbce8c30807caf056c8eb50917e0eaafe86347671b57254006c3e69",
+                "sha256:ca4be454458f9dec299268d472aaa5a11f67a4ff70093396e1ceae9c76cf4bbb"
             ],
-            "version": "==0.2.1"
+            "version": "==18.2.0"
         },
-        "docutils": {
+        "bumpversion": {
             "hashes": [
-                "sha256:7a4bd47eaf6596e1295ecb11361139febe29b084a87bf005bf899f9a42edc3c6",
-                "sha256:02aec4bd92ab067f6ff27a38a38a41173bf01bed8f89157768c1573f53e474a6",
-                "sha256:51e64ef2ebfb29cae1faa133b3710143496eca21c530f3f71424d77687764274"
+                "sha256:6744c873dd7aafc24453d8b6a1a0d6d109faf63cd0cd19cb78fd46e74932c77e",
+                "sha256:6753d9ff3552013e2130f7bc03c1007e24473b4835952679653fb132367bdd57"
             ],
-            "version": "==0.14"
+            "index": "pypi",
+            "version": "==0.5.3"
         },
         "faker": {
             "hashes": [
-                "sha256:f5529ff519a4bed0c0c8ccbbf7ca0d918ed0a9826fe8adc60f58d5b052a946dc",
-                "sha256:bf7dabcd6807c8829da28a4de491adf7998af506b8571db6a6eb58161157248a"
-            ],
-            "version": "==0.8.7"
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-            "hashes": [
-                "sha256:8c7309c718f94b3a625cb648ace320157ad16ff131ae0af362c9f21b80ef6ec4",
-                "sha256:2c6a5de3089009e3da7c5dde64a141dbc8551d5b7f6cf4ed7c2568d0cc520a8f"
+                "sha256:74b32991f8e08e4f2f84858b919eca253becfaec4b3fa5fcff7fdbd70d5d78b1",
+                "sha256:c2ce42dd8361e6d392276006d757532562463c8642b1086709584200b7fd7758"
             ],
-            "version": "==2.6"
+            "index": "pypi",
+            "version": "==0.9.1"
         },
-        "jinja2": {
+        "flake8": {
             "hashes": [
-                "sha256:74c935a1b8bb9a3947c50a54766a969d4846290e1e788ea44c1392163723c3bd",
-                "sha256:f84be1bb0040caca4cea721fcbbbbd61f9be9464ca236387158b0feea01914a4"
+                "sha256:7253265f7abd8b313e3892944044a365e3f4ac3fcdcfb4298f55ee9ddf188ba0",
+                "sha256:c7841163e2b576d435799169b78703ad6ac1bbb0f199994fc05f700b2a90ea37"
             ],
-            "version": "==2.10"
+            "index": "pypi",
+            "version": "==3.5.0"
         },
-        "jmespath": {
-            "hashes": [
-                "sha256:f11b4461f425740a1d908e9a3f7365c3d2e569f6ca68a2ff8bc5bcd9676edd63",
-                "sha256:6a81d4c9aa62caf061cb517b4d9ad1dd300374cd4706997aff9cd6aedd61fc64"
-            ],
-            "version": "==0.9.3"
-        },
-        "jsondiff": {
-            "hashes": [
-                "sha256:2d0437782de9418efa34e694aa59f43d7adb1899bd9a793f063867ddba8f7893"
-            ],
-            "version": "==1.1.1"
-        },
-        "jsonpickle": {
-            "hashes": [
-                "sha256:cc25dc79571d4ad7db59d05ddb7de0d76a8d598cf6136e1dbeaa9361ebcfe749"
-            ],
-            "version": "==0.9.5"
-        },
-        "markupsafe": {
+        "mccabe": {
             "hashes": [
-                "sha256:a6be69091dac236ea9c6bc7d012beab42010fa914c459791d627dad4910eb665"
+                "sha256:ab8a6258860da4b6677da4bd2fe5dc2c659cff31b3ee4f7f5d64e79735b80d42",
+                "sha256:dd8d182285a0fe56bace7f45b5e7d1a6ebcbf524e8f3bd87eb0f125271b8831f"
             ],
-            "version": "==1.0"
+            "version": "==0.6.1"
         },
-        "mock": {
+        "more-itertools": {
             "hashes": [
-                "sha256:5ce3c71c5545b472da17b72268978914d0252980348636840bd34a00b5cc96c1",
-                "sha256:b158b6df76edd239b8208d481dc46b6afd45a846b7812ff0ce58971cf5bc8bba"
+                "sha256:c187a73da93e7a8acc0001572aebc7e3c69daf7bf6881a2cea10650bd4420092",
+                "sha256:c476b5d3a34e12d40130bc2f935028b5f636df8f372dc2c1c01dc19681b2039e",
+                "sha256:fcbfeaea0be121980e15bc97b3817b5202ca73d0eae185b4550cbfce2a3ebb3d"
             ],
-            "version": "==2.0.0"
+            "version": "==4.3.0"
         },
-        "moto": {
+        "pluggy": {
             "hashes": [
-                "sha256:09580b1be808964a31b99c796e3e802cea619f30c0b023bfe171ea820a332941",
-                "sha256:d427d6e1a81e926c2b6a071453807b05f4736d65068493e1f3055ac7ee24ea21"
+                "sha256:6e3836e39f4d36ae72840833db137f7b7d35105079aee6ec4a62d9f80d594dd1",
+                "sha256:95eb8364a4708392bae89035f45341871286a333f749c3141c20573d2b3876e1"
             ],
-            "version": "==1.1.25"
-        },
-        "pbr": {
-            "hashes": [
-                "sha256:60c25b7dfd054ef9bb0ae327af949dd4676aa09ac3a9471cdc871d8a9213f9ac",
-                "sha256:05f61c71aaefc02d8e37c0a3eeb9815ff526ea28b3b76324769e6158d7f95be1"
-            ],
-            "version": "==3.1.1"
+            "markers": "python_version >= '2.7' and python_version != '3.1.*' and python_version != '3.2.*' and python_version != '3.3.*' and python_version != '3.0.*'",
+            "version": "==0.7.1"
         },
         "py": {
             "hashes": [
-                "sha256:8cca5c229d225f8c1e3085be4fcf306090b00850fefad892f9d96c7b6e2f310f",
-                "sha256:ca18943e28235417756316bfada6cd96b23ce60dd532642690dcfdaba988a76d"
+                "sha256:06a30435d058473046be836d3fc4f27167fd84c45b99704f2fb5509ef61f9af1",
+                "sha256:50402e9d1c9005d759426988a492e0edaadb7f4e68bcddfea586bc7432d009c6"
             ],
-            "version": "==1.5.2"
+            "markers": "python_version >= '2.7' and python_version != '3.1.*' and python_version != '3.2.*' and python_version != '3.3.*' and python_version != '3.0.*'",
+            "version": "==1.6.0"
         },
-        "pyaml": {
+        "pycodestyle": {
             "hashes": [
-                "sha256:d6cf7eb245384dce0920f68b7573978a24520c768a003ed2b7b05bd69ca9d38a",
-                "sha256:a9a3e83372072fc7dc1aebcab37d6f2e08fb8066f553f31d6fc9cb2ad0b515d3"
+                "sha256:682256a5b318149ca0d2a9185d365d8864a768a28db66a84a2ea946bcc426766",
+                "sha256:6c4245ade1edfad79c3446fadfc96b0de2759662dc29d07d80a6f27ad1ca6ba9"
             ],
-            "version": "==17.10.0"
+            "version": "==2.3.1"
         },
-        "pycparser": {
+        "pyflakes": {
             "hashes": [
-                "sha256:99a8ca03e29851d96616ad0404b4aad7d9ee16f25c9f9708a11faf2810f7b226"
+                "sha256:08bd6a50edf8cffa9fa09a463063c425ecaaf10d1eb0335a7e8b1401aef89e6f",
+                "sha256:8d616a382f243dbf19b54743f280b80198be0bca3a5396f1d2e1fca6223e8805"
             ],
-            "version": "==2.18"
+            "version": "==1.6.0"
         },
         "pytest": {
             "hashes": [
-                "sha256:241d7e7798d79192a123ceaf64c602b4d233eacf6d6e42ae27caa97f498b7dc6",
-                "sha256:6d5bd4f7113b444c55a3bbb5c738a3dd80d43563d063fc42dcb0aaefbdd78b81"
+                "sha256:453cbbbe5ce6db38717d282b758b917de84802af4288910c12442984bde7b823",
+                "sha256:a8a07f84e680482eb51e244370aaf2caa6301ef265f37c2bdefb3dd3b663f99d"
             ],
-            "version": "==3.2.5"
+            "index": "pypi",
+            "version": "==3.8.0"
         },
         "python-dateutil": {
             "hashes": [
-                "sha256:95511bae634d69bc7329ba55e646499a842bc4ec342ad54a8cdb65645a0aad3c",
-                "sha256:891c38b2a02f5bb1be3e4793866c8df49c7d19baabf9c1bad62547e0b4866aca"
-            ],
-            "version": "==2.6.1"
-        },
-        "pytz": {
-            "hashes": [
-                "sha256:80af0f3008046b9975242012a985f04c5df1f01eed4ec1633d56cc47a75a6a48",
-                "sha256:feb2365914948b8620347784b6b6da356f31c9d03560259070b2f30cff3d469d",
-                "sha256:59707844a9825589878236ff2f4e0dc9958511b7ffaae94dc615da07d4a68d33",
-                "sha256:d0ef5ef55ed3d37854320d4926b04a4cb42a2e88f71da9ddfdacfde8e364f027",
-                "sha256:c41c62827ce9cafacd6f2f7018e4f83a6f1986e87bfd000b8cfbd4ab5da95f1a",
-                "sha256:8cc90340159b5d7ced6f2ba77694d946fc975b09f1a51d93f3ce3bb399396f94",
-                "sha256:dd2e4ca6ce3785c8dd342d1853dd9052b19290d5bf66060846e5dc6b8d6667f7",
-                "sha256:699d18a2a56f19ee5698ab1123bbcc1d269d061996aeb1eda6d89248d3542b82",
-                "sha256:fae4cffc040921b8a2d60c6cf0b5d662c1190fe54d718271db4eb17d44a185b7"
+                "sha256:1adb80e7a782c12e52ef9a8182bebeb73f1d7e24e374397af06fb4956c8dc5c0",
+                "sha256:e27001de32f627c22380a688bcc43ce83504a7bc5da472209b4c70f02829f0b8"
             ],
-            "version": "==2017.3"
-        },
-        "pyyaml": {
-            "hashes": [
-                "sha256:3262c96a1ca437e7e4763e2843746588a965426550f3797a79fca9c6199c431f",
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-                "sha256:c01b880ec30b5a6e6aa67b09a2fe3fb30473008c85cd6a67359a1b15ed6d83a4",
-                "sha256:827dc04b8fa7d07c44de11fabbc888e627fa8293b695e0f99cb544fdfa1bf0d1",
-                "sha256:592766c6303207a20efc445587778322d7f73b161bd994f227adaa341ba212ab",
-                "sha256:5f84523c076ad14ff5e6c037fe1c89a7f73a3e04cf0377cb4d017014976433f3",
-                "sha256:0c507b7f74b3d2dd4d1322ec8a94794927305ab4cebbe89cc47fe5e81541e6e8",
-                "sha256:b4c423ab23291d3945ac61346feeb9a0dc4184999ede5e7c43e1ffb975130ae6",
-                "sha256:ca233c64c6e40eaa6c66ef97058cdc80e8d0157a443655baa1b2966e812807ca",
-                "sha256:4474f8ea030b5127225b8894d626bb66c01cda098d47a2b0d3429b6700af9fd8",
-                "sha256:326420cbb492172dec84b0f65c80942de6cedb5233c413dd824483989c000608",
-                "sha256:5ac82e411044fb129bae5cfbeb3ba626acb2af31a8d17d175004b70862a741a7"
-            ],
-            "version": "==3.12"
-        },
-        "requests": {
-            "hashes": [
-                "sha256:6a1b267aa90cac58ac3a765d067950e7dbbf75b1da07e895d1f594193a40a38b",
-                "sha256:9c443e7324ba5b85070c4a818ade28bfabedf16ea10206da1132edaa6dda237e"
-            ],
-            "version": "==2.18.4"
-        },
-        "s3transfer": {
-            "hashes": [
-                "sha256:c7b16f4cca5acd2bd57ac9623bfba3fece047247392893506d0d2e6f25620eb3",
-                "sha256:76f1f58f4a47e2c8afa135e2c76958806a3abbc42b721d87fd9d11409c75d979"
-            ],
-            "version": "==0.1.11"
+            "markers": "python_version >= '2.7'",
+            "version": "==2.7.3"
         },
         "six": {
             "hashes": [
-                "sha256:832dc0e10feb1aa2c68dcc57dbb658f1c7e65b9b61af69048abc87a2db00a0eb",
-                "sha256:70e8a77beed4562e7f14fe23a786b54f6296e34344c23bc42f07b15018ff98e9"
+                "sha256:70e8a77beed4562e7f14fe23a786b54f6296e34344c23bc42f07b15018ff98e9",
+                "sha256:832dc0e10feb1aa2c68dcc57dbb658f1c7e65b9b61af69048abc87a2db00a0eb"
             ],
             "version": "==1.11.0"
         },
         "text-unidecode": {
             "hashes": [
-                "sha256:02efd86b9c0f489f858d8cead62e94d3760dab444054b258734716f7602330a3",
-                "sha256:d0afd5e8a7ac69bfb1372e1bbfa3c63c22e3db8ae1284690e96b45c4430d08d0"
-            ],
-            "version": "==1.1"
-        },
-        "urllib3": {
-            "hashes": [
-                "sha256:06330f386d6e4b195fbfc736b297f58c5a892e4440e54d294d7004e3a9bbea1b",
-                "sha256:cc44da8e1145637334317feebd728bd869a35285b93cbb4cca2577da7e62db4f"
-            ],
-            "version": "==1.22"
-        },
-        "websocket-client": {
-            "hashes": [
-                "sha256:91222bb3a22ba989ac87eec9121655f295dcb746b6207c5576ffa549ab69302c",
-                "sha256:15f585566e2ea7459136a632b9785aa081093064391878a448c382415e948d72"
-            ],
-            "version": "==0.44.0"
-        },
-        "werkzeug": {
-            "hashes": [
-                "sha256:e8549c143af3ce6559699a01e26fa4174f4c591dbee0a499f3cd4c3781cdec3d",
-                "sha256:903a7b87b74635244548b30d30db4c8947fe64c5198f58899ddcd3a13c23bb26"
-            ],
-            "version": "==0.12.2"
-        },
-        "wrapt": {
-            "hashes": [
-                "sha256:d4d560d479f2c21e1b5443bbd15fe7ec4b37fe7e53d335d3b9b0a7b1226fe3c6"
-            ],
-            "version": "==1.10.11"
-        },
-        "xmltodict": {
-            "hashes": [
-                "sha256:add07d92089ff611badec526912747cf87afd4f9447af6661aca074eeaf32615",
-                "sha256:8f8d7d40aa28d83f4109a7e8aa86e67a4df202d9538be40c0cb1d70da527b0df"
+                "sha256:5a1375bb2ba7968740508ae38d92e1f889a0832913cb1c447d5e2046061a396d",
+                "sha256:801e38bd550b943563660a91de8d4b6fa5df60a542be9093f7abf819f86050cc"
             ],
-            "version": "==0.11.0"
+            "version": "==1.2"
         }
     }
 }
diff --git a/README.md b/README.md
index 8eee425..0543a9d 100644
--- a/README.md
+++ b/README.md
@@ -2,13 +2,19 @@
 
 A kinesis consumer is purely written in python. 
 
-# Features
+## Features
 
 * Read records from a stream with multiple shards
 
-# Todo
+## Todo
 
 * Open a consumer when adding a new shard
 * Close a consumer when shutting down an existing shard
 * Save checkpoint for each shard
 * Allow kcpy to run on multiple machines
+
+## Changelog
+
+### 0.1.0
+
+* First version of kcpy.  
diff --git a/VERSION b/VERSION
new file mode 100644
index 0000000..6c6aa7c
--- /dev/null
+++ b/VERSION
@@ -0,0 +1 @@
+0.1.0
\ No newline at end of file
diff --git a/kcpy/__init__.py b/kcpy/__init__.py
new file mode 100644
index 0000000..3da179f
--- /dev/null
+++ b/kcpy/__init__.py
@@ -0,0 +1,6 @@
+__title__ = 'kcpy'
+__version__ = '0.1.0'
+__author__ = 'Hengfeng Li'
+__license__ = 'MIT 2018'
+
+from .core import *
diff --git a/kcpy.py b/kcpy/core.py
similarity index 100%
rename from kcpy.py
rename to kcpy/core.py
diff --git a/setup.cfg b/setup.cfg
new file mode 100644
index 0000000..a714bf9
--- /dev/null
+++ b/setup.cfg
@@ -0,0 +1,8 @@
+[bdist_wheel]
+universal = 1
+
+[flake8]
+ignore = E226,E302,E41,F401,E402,F403
+max-line-length = 120
+exclude = tests/*,.eggs/*
+max-complexity = 10
diff --git a/setup.py b/setup.py
new file mode 100644
index 0000000..e3de1f7
--- /dev/null
+++ b/setup.py
@@ -0,0 +1,37 @@
+#!/usr/bin/env python
+
+import kcpy
+
+from setuptools import setup, find_packages
+
+setup(
+    name='kcpy',
+    version=kcpy.__version__,
+    description='A kinesis consumer is purely written in python.',
+    author='Hengfeng Li',
+    author_email='hengf.li@gmail.com',
+    license='MIT License',
+
+    packages=find_packages(),
+    package_dir={'kcpy': 'kcpy'},
+    include_package_data=True,
+    python_requires='>=3.5.0',
+    keywords=[
+        'kinesis',
+        'consumer',
+        'stream',
+        'processing',
+        'queue',
+    ],
+    scripts=[],
+    install_requires=[
+        'boto3',
+    ],
+    dependency_links=[],
+    tests_require=[
+        'pytest',
+        'moto',
+        'faker',
+    ],
+    zip_safe=False,
+)
diff --git a/tests/__init__.py b/tests/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/test.py b/tests/tests.py
similarity index 100%
rename from test.py
rename to tests/tests.py