Updated the documentation to reflect the ability to pass along an
associative array of parameters upon instantiation
Merge remote-tracking branch 'upstream/master'
Fixed listMethodParams() to account for 'optional' being set, but having
a value of 0
Added the cleanArrayDisp() method.

Updated README.md to account for this.
Merge pull request #7 from jgillmanjr/master

* Documentation tweaks
* Fixed listMethodParams()
* Added the cleanArrayDisp() method