Fixes #44. Execution time as third parameter of after-* events
Merge pull request #45 from neoascetic/features/query-execution-time

Fixes #44. Execution time as third parameter of after-* events
Merge branch 'feature/fetch-as-object' of github.com:neoascetic/pixie

Conflicts:
	src/Pixie/QueryBuilder/QueryBuilderHandler.php
Stopping of event propagation if non-null value returned from handler. Fixes #46
Merge pull request #47 from neoascetic/features/stop-event-propagation

Stopping of event propagation if non-null value returned from handler. Fixes #46
Simplier mappings for joins
Merge remote-tracking branch 'remotes/origin/features/simplier-mapping-for-joins' into df

Conflicts:
	src/Pixie/QueryBuilder/QueryBuilderHandler.php