Add table exists method to db_registry. Splatify execute
Switch to batch creating for the Repository make method.
Ignore .yardoc
Removed few reek warnings. Created submodules for sql and constants
Fixes on minor issues:
* Fix the wrong name put in the require.
* Renamed 'repository_contants' to 'repository_constants'
* Remove make!(param) function
* Change instance var name into the right one.
* Add rescues for execution in db registry.
* Change symbol to string for table name
Small refactoring of the repository class.
Batch of work, almost complete
Add activerecord queries / methods
Make it pick out the required transactions
First implementation of the version history table
* check! must be a class variable
* version_history.rb: typo in def name initialize
Transaction removes '--$' from comments on object creation.
Sequential versioning should work now.
* Also, Implemented tiny version history factory.
Bump to version 0.5.0