Indentation
Merge pull request #164 from Rudloff/patch-1

Indentation
Support for 5 param signature in levenshtein

This fixes issue #166
The implementation is direct port of PHP's source code (except for param handling)
Fixed bug and reduced code
Merge pull request #168 from w35l3y/master

Fixed bug and reduced code
Update base64_encode.js

Missing semicolon on line 27.
Merge pull request #170 from marceloxp/patch-1

Update base64_encode.js
Update preg_match_all.js

Basic function, using Javascript's regex engine (hence it's not ideal) and doesn't support flag combination.
Needs more testing.
Update preg_match_all.js

Placed private functions in a closure to avoid polluting the global scope.