Added the possibility to define JOIN strategies in relationships.
Disable prefetch of row IDs on queries with limits and relationships.
Do not use strtotime for integer values.
Merge branch 'master' into master-sc-test

Conflicts:
	data/source/Database.php
Merge branch 'master' into master-sc-test
Fixed SQL join mode.
Merge pull request #1 from marcghorayeb/master-sc-test

Master-sc