1.5.5

Added expvars

One can launch expvarmon to monitor connections/memory usage:

expvarmon -ports="9050" -i=200ms -vars="mem:memstats.Alloc,mem:memstats.Sys,mem:memstats.HeapAlloc,mem:memstats.HeapInuse,,memstats.NumGC,duration:memstats.PauseTotalNs,Goroutines,Clients,RPS,Version"

Test coverage improved thought slight refactoring

1.5

Massive refactor.
Covered with tests
Optimized echos

1.3

added license