fix $obj->relatedObj === null when not exists

Merge branch 'master' of https://github.com/joshcam/PHP-MySQLi-Databa…

fixes

clean code

dbObject - Join Method add primaryKey as var

fixes

Fixed Having

Obvious fix

issue #380. reset object before exception in _prepareQuery.

Changed having to perform identical to where

Fix Foreach Parameters

fixes

fix a typo

Join: do not add 'on' if using() condition is used

paginate: replace round() with ceil()

added paginate() to mysqlidb

PHP DocBlock update. Some small PSR-2 code refactoring.

PSR 1&2 code refactoring and exceptions instead of die()