Updated to v1.3.1 BETA 1

Changelog:
* Commit b819b39:
** Prepare for v1.3.1 BETA 1
** Added debug boolean for debugging
** Added BETA version setup
** Added enabled boolean to prevent plugin from doing stupid things
while
disabled
** Added disablePlugin(), backupConfig()
** Edit updateCheckConfig() to support BETAs
** Edit updateCheckConfig() to debug
* Commit bc76c6a:
** Added utils package
** Added MetricsLite class
* Commit 5883f12:
** Fixed releases directory