added vim undos
Added support for CIRCUSCTL_ENDPOINT environment variable to circusctl
fixed typo - fixes #395
util: fix bug in to_uid function

It must check for string_types, not str only.
Remove handler on ioloop error.

This happens frequently when the other end of the pipe dies, and
currently causes circusd to spin on the handler in a busy loop.
Make sure rollover check compares against numbers, not strings.
Merge pull request #398 from lambdafu/redirecter

Remove handler on ioloop error.
deactivated for now
improve the streamer test coverage
improved coverage for the stats command
Simplified CIRCUSCTL_ENDPOINT fallback.
more coverage
fixed a test
Merge pull request #396 from zerok/ctl-environ-endpoint

Added support for CIRCUSCTL_ENDPOINT environment variable to circusctl
fixed some stupid race conditions in subprocess
fixed the ioloop instance in the tests
more ioloop madness cleanup
tests: import unicode_literals from future
Merge branch 'lambdafu/rollover' of github.com:lambdafu/circus
#399 - Add a test for the FileStream class