updating RedBeanPHP to 3.4.4
If config already exists, do not overwrite it
General fixes

* Fixed version check with new url on github
* Turned off RedBeanPHP strict typing to allow "_" in table names
* Fixed project-specific pastes from showing up in other projects' lists
* Fixed pagination by project
* Fixed password prompt for password-protected paste
fixed bug in config variable name
General fixes

* Fixed variable name issue for database config
* Changed the RedBean::find to RedBean::findOne to fix database query problems
Fixing config variable name issue