Remove unnecessary casting to boolean
Fix spelling
Improve exception messages
Remove need to escape quotes in Exception messages
Coding standard
Coding standard
Remove unnecessary variable assignment

These properties are set in the constructor or are redundant (e.g.
setting class properties to null).
PSR-2 coding standard

Private properties are not to be prefixed by underscores
Fix docblock class arguments
README: Clean up grammar, clarify documentation, add more detailed PRE_BIND listener
Numbering
Adding John Kary as fork maintainer