change naming

make methods protected ...

update composer

Merge pull request fico7489#61 from longlevan9x/patch-1

Update document comment  for EloquentJoin.php

Merge pull request fico7489#63 from bkremenovic/patch-1

Update JoinRelationTrait.php

fix for previous versions

Where in where not in (fico7489#49)

Merge pull request fico7489#53 from anonim1133/bugfix/joining-on-alias

Fixed bug while joining using aliases

add sort2, sort3 ...

cleanup