Introduced --version flag

Rakefile

@@ -63,6 +63,7 @@ task :install, [:install_d,:man_d] => [:default] do |task,args|
 		"math.rb",
 		"regular-expressions.rb",
 		"minstructor.rb",
+		"version.rb"
 		"mcollector.rb",
 		"mcollector-modules/akav.rb",
 		"mcollector-modules/kav.rb",

mcollector.rb

@@ -7,6 +7,7 @@
 
 require_relative './mcollector-modules/available-modules.rb'
 require_relative './math.rb'
+require_relative './version.rb'
 
 def parse_hash(str)
 	begin
@@ -125,6 +126,11 @@ def self.parse(args)
 				options.debug = d
 			end
 
+			opts.on_tail("--version", "show version") do |v|
+				puts $VERSION
+				exit
+			end
+
 		end
 		opt_parser.set_summary_indent("  ")
 		opt_parser.set_summary_width(25)

minstructor.rb

@@ -7,6 +7,7 @@
 require 'progressbar'
 
 require_relative './math.rb'
+require_relative './version.rb'
 
 class OptPrs
 
@@ -107,6 +108,11 @@ def self.parse(args)
 				options.dry = dr
 			end
 
+			opts.on_tail("--version", "show version") do |v|
+				puts $VERSION
+				exit
+			end
+
 		end
 
 		opt_parser.set_summary_indent("  ")

version.rb

@@ -0,0 +1 @@
+$VERSION = "2.0"