Adds composer.lock to .gitignore
Performs standards fix.
Standards fixes

- Changes variable name
Standards fixes

- Revises variable name for clarity
Standards fixes

- revised whitespace
Make updates for compatibility for PHP 5.3

 - Handle parameter in debug_backtrace
 - Make Controller::connect to be public so it can be called from closure
 - Remove type hints for callable
Composer package definition update.
Merge branch 'master' of https://github.com/thenerdery/wp-plugin-framework
Pimple 1.x updates.
Merge branch 'master' of git://github.com/thenerdery/wp-plugin-framework
Fix issue causing table pagination to break when adding additional columns.
Revert "Pimple 1.x updates."

This reverts commit 1c955685f262bd24ebeb944af836b1f3b7c8923f.
Update branch from upstream changes