Fixes for a few major issues
- Make server.broadcast() work again with PEX permissions
- Don't call PluginManager.getPlugin() in the Permissible. This clears up deadlocks when looking up async permissions
Improve error handling in the permissible.
Damn multithreading :) Issue #664
Fixed NPE caused by previous commit. Issue #664
Fixed formatting
Fixed child permissions
Merge pull request #669 from Siguza/master

Fixed child permissions bug