Added support for double datatype in schema builder.
Hint processing improvements
Using static:: instead of self::
Parent key methods visiblity
catch PDOException
improvements
correct docblock
Fixed hhvm build for laravel/framework

Signed-off-by: crynobone <crynobone@gmail.com>
Fix docblock
Update changes.json

The changes of 4.1 were marked as 4.2's changes...
Merge pull request #3012 from Youpie/patch-1

Fix docblock
Merge pull request #3014 from Nirlah/patch-1

Update changes.json
Merge pull request #3011 from crynobone/fix/travis

Fixed hhvm build for laravel/framework
Merge pull request #3007 from anlutro-pull-requests/queryexception

QueryException improvements
Merge branch '4.1'
Import interface.
Merge pull request #2976 from anlutro-pull-requests/hasoneormany-parentkey-visibility

Parent key methods visiblity
Fix docblock.
Fix DB offset method. Can not be negative.
Use max() instead of ternary in DB offset.