Reformat file

Cleans up tabbing. Converts to hard tabs.
Import latest changes from oprahnoodlemontra's original
Import changes from upstream
Replace PHP SyntaxDefinition with one from upstream
Re-sort items

I sorted these items alphabetically including the _.
Add various class/object functions

Several functions from http://www.php.net/manual/en/ref.classobj.php
were missing completions and function highlighting.
Merge pull request #3 from ErrolSayre/master

I've added several PHP completions