pkg/iotool: Add io tools package with a thread-safe io.Writer
pkg/iotool: Add io tools package with a thread-safe io.Writer

Signed-off-by: Jonathan Rudenberg <3692bfa45759a67d83aedf0045f6cb635a966abf@titanous.com>

TribeMedia/flynn,shads196770/flynn,shads196770/flynn,benbjohnson/flynn,jzila/flynn,pkdevbox/flynn,technosophos/flynn,tonicbupt/flynn,clifff/flynn,GrimDerp/flynn,arekkas/flynn,flynn/flynn,TribeMedia/flynn,kgrz/flynn,mubassirhayat/flynn,jzila/flynn,tonicbupt/flynn,tonicbupt/flynn,philiplb/flynn,technosophos/flynn,technosophos/flynn,mubassirhayat/flynn,pkdevbox/flynn,GrimDerp/flynn,supermario/flynn,justintung/flynn,clifff/flynn,lmars/flynn,shads196770/flynn,rikur/flynn,felixrieseberg/flynn,schatt/flynn,josephglanville/flynn,schatt/flynn,supermario/flynn,josephglanville/flynn,shads196770/flynn,felixrieseberg/flynn,felixrieseberg/flynn,justintung/flynn,kgrz/flynn,mubassirhayat/flynn,TribeMedia/flynn,schatt/flynn,benbjohnson/flynn,rikur/flynn,jzila/flynn,philiplb/flynn,rikur/flynn,clifff/flynn,jzila/flynn,benbjohnson/flynn,whouses/flynn,josephglanville/flynn,pkdevbox/flynn,technosophos/flynn,TribeMedia/flynn,benbjohnson/flynn,tonicbupt/flynn,arekkas/flynn,benbjohnson/flynn,pkdevbox/flynn,shads196770/flynn,justintung/flynn,GrimDerp/flynn,lmars/flynn,ozum/flynn,ozum/flynn,supermario/flynn,felixrieseberg/flynn,kgrz/flynn,kgrz/flynn,supermario/flynn,philiplb/flynn,schatt/flynn,tonicbupt/flynn,Brandywine2161/flynn,ozum/flynn,pkdevbox/flynn,jzila/flynn,philiplb/flynn,arekkas/flynn,GrimDerp/flynn,jzila/flynn,supermario/flynn,Brandywine2161/flynn,felixrieseberg/flynn,whouses/flynn,whouses/flynn,flynn/flynn,clifff/flynn,schatt/flynn,rikur/flynn,pkdevbox/flynn,ozum/flynn,josephglanville/flynn,benbjohnson/flynn,GrimDerp/flynn,supermario/flynn,kgrz/flynn,arekkas/flynn,philiplb/flynn,ozum/flynn,Brandywine2161/flynn,lmars/flynn,mubassirhayat/flynn,rikur/flynn,arekkas/flynn,technosophos/flynn,TribeMedia/flynn,justintung/flynn,flynn/flynn,flynn/flynn,whouses/flynn,GrimDerp/flynn,TribeMedia/flynn,justintung/flynn,clifff/flynn,Brandywine2161/flynn,Brandywine2161/flynn,ozum/flynn,rikur/flynn,shads196770/flynn,josephglanville/flynn,whouses/flynn,lmars/flynn,whouses/flynn,justintung/flynn,schatt/flynn,kgrz/flynn,Brandywine2161/flynn,lmars/flynn,josephglanville/flynn,clifff/flynn,flynn/flynn