Update TMDb.php

adult parameter did not work
Added a request limitation handling with a retry mechanism
Increased Version number to 1.5.2
Updated the ReadMe Changelog
Updated README to match the code

In the code the method is called getSimilarMovies, but it wasn't so in the README
Added support for TMDb's new TV API
Fixed duplicate function names
Fixed indentation
Added method for retrieving crew members (directors, writers, etc.) and fixed a wrong doc block comment.
Added new feature to changelog.
Merge pull request #1 from betonme/master

Merge from betoneme
Merge pull request #2 from ndsmyter/patch-1

Updated README to match the code
Merge branch 'tv' of https://github.com/notnek/TMDb-PHP-API into notnek-tv

Conflicts:
	README.markdown
	TMDb.php
Merge branch 'master' of https://github.com/mihaeu/TMDb-PHP-API into mihaeu-master

Conflicts:
	README.markdown
Merge pull request #5 from Big-Shark/patch-1

Update TMDb.php
Merge branch 'master' of github.com:jonnyboy/TMDb-PHP-API into jonnyboy-master