**When merged this pull request will:**
- Change the error messages for PBO version checking
They were a bit confusing. `Missing server addon(s)` was most of the time interpreted as `You're missing server addon(s)`.
* Everything
* Fixed missing ;
* Fix missing ; and double private
* Fixed cannot isNull on number
* Turn _temparture back to isNil
* Fix error from merge
* Optimizations with private, params, and isEqualType
* Fixed tab being used instead of space
* Fixed tabs inserted by notepad++
* More usage of new private syntax and params
- changed a few checks for an array being empty to `_arr isEqualTo []`
rather than `count _arr == 0`
- added more uses of `private` on the same line as the variable is
declared
- added more uses of params to assign variables passed as parameters
- removed unnecessary parentheses
- removed several unnecessary variable declarations with private array
syntax
* clean up and formatting
