v0.21

Merge remote-tracking branch 'origin/master'

Merge various pull requests

v0.19

Update to v0.19 version number.

Merge various pull requests

Merged: #27 Rate limiting fixed to work as described in the hipchat's API v2 docs
Merged: #28 remove unnecessary utf-8 characters to make file README ascii
Merged: #20 add feature to use Hipchat Server

Thank you everyone!

Fix Room Save Headers

Manually specified Room Save 'content-type' header as 'application/json' to eliminate a warning.

Added Python 3 compatibility

v0.14

Updated version

v0.13: Merge pull request #10 from Grissess/master

Linker.call keyword arguments as parameters