Begin 5.7.2
Add storage/lock, which contains the pid of the process of bot.
Fix commit 8aefa2504e0ab6bdcafc4dc1aabbd1c342734170
Add chmod for storage/lock.
Revert "Add chmod for storage/lock."

This reverts commit 859b49b9435d07d3fd02bd582876ac586875bbd2.
Fix RUN-Contra.cmd
Fix denied access to command showing in BDS channels.
Add storage/lock to .gitignore.
Fix RUN-Contra.sh.
Add php version check. PHP versions under 5.4.x is no longer supported.
Add CLINK support. WSC users no longer needs to !chat before /chat.
Update oAuth code. due to changes made to the oAuth api.
Resolve #57
#57 - Add persistance
Merge pull request #17 from DeathShadow/master

Contra 5.7.2