v0.5.0 New client API with Reconnection, HTTP router module

Important Changes

• The Client has new and hopefully stable API now
• Client Reconnection supports exponential backoff
• Other routers than http.ServeMux can be used now
• Timeout is removed from the Connection interface. Server and Client are monitoring the timeout

What's Changed in Detail

• Feature/refactor client reconnection by @philippseith in #76
• Feature/router adapter by @philippseith in #79
• Remove comment for conn parameter by @andig in #82
• Use http status codes by @andig in #86
• Use an RWMutex to improve concurrency by @andig in #87
• Fix most linter errors by @andig in #85
• Rename client's WaitForClientState to WaitForState by @andig in #89
• Simplify context handling by @andig in #83
• Bugfix/various race conditions by @philippseith in #93
• Remove loopErrChan - not used by @andig in #92
• Fix/data race in watchdog by @philippseith in #96
• fix: Remove needless check for EOF by @philippseith in #101
• Feature/remove timeout from connection by @philippseith in #99
• Feature/client backoff by @philippseith in #97
• Bugfix/missing items in pullstream by @philippseith in #103

Full Changelog: v0.4.1...v0.5.0