Merge pull request #34 from barisusakli/master

fix group and self mentioning
0.5.0-7
Merge pull request #35 from barisusakli/master

fix group mentions
0.5.0-8
v0.5.1 compatibility
0.5.1-0
0.6.0
check err and groups
Merge pull request #36 from barisusakli/patch-7

check err and groups
0.6.1
derp