Merge pull request #60 from aljinovic/master

Added classmethods parser
Merge pull request #61 from aljinovic/master

Added caching to classmethods parser

    added caching to classmethods parser
    added inheritance definition
    added definition file position
if an alternative parser returns something that can be represented in an alternative way, don't :)
PHP documentation links

added PHP documentation links for built-in methods