Working on dumping QB reference
Fixed up class documentation.
Imporved parsing ..
Updated docs
Updated QB reference command
Made a cleaner separation from test domain

- and added test for command
Fixed merge issues
Updated contraint factory docs
Updated some docblocks
Updated class documentation for Query Builder
Skip dump reference test on PHP5.3
Fixed version check
Merge pull request #326 from dantleech/qb_ref_command

[WIP] Query Builder reference dumper