Convert expression bool to int
Pass the deprecated where to _runQuery
Obtain result object only if select successful
Prepare update bind only if value string
Combine binds of update and where
Fix JOIN statement building

It was a mess...
Add GROUP BY keyword to group by clause
Link old and new where builds with AND
Properly shut down the query

Reset where and where binds even if query failed.
Add unit testing for BaseModel methods

Along with testing helpers and mockery/mockery composer package
Merge branch 'feature/unitTests' into develop