Fix version number to match readme
Merge pull request #222 from gmisura/master

Fix version number to match readme
Fix typo: s/ssession_is_registered/session_is_registered/
Only match require_once in the VIPInitCheck

Don’t allow themes to `require` `vip-init.php` - force `require_once`.

Fixes #224
Merge pull request #223 from ockham/ssession_is_registered

Fix typo: s/ssession_is_registered/session_is_registered/
Reword a misleading error note in UndefinedFunctionCheck

That $token_text isn't the filename, but the name of the function call.
Create CodeCheckTestBase to faciliate testing of PHP code checks
Add test for VIPRestrictedClassesCheck
Add test for UndefinedFunctionCheck
Add test for ForbiddenFunctionsCheck
Add test for ForbiddenPHPFunctionsCheck