Fixed a few edge and node issues
Added entry nodes with parameter information
Added access modifiers. Cleaning up code.
Getting ready for a pull
Added javadocing. Still in progress.
Update README.md
Merge branch 'master' of https://github.com/gatech/php2014

Conflicts:
	CFG_FROM_PHP/src/CFG/CFG.java
Merge branch 'master' of https://github.com/gatech/php2014

Conflicts:
	CFG_FROM_PHP/src/CFG/CFG.java
Make note of instructions that are call instructions