Typos.
Added: new command: bin/test MODEL action
Fixed: @data gets :merge! for Screen_Name_Code#update
Renamed: Screen_Name_Code: upsert -> up_create
Fixed: bacon options allowed when using shortcut
Fixed: column of wrong type
Dev. checkpoint: implementation of :up_create
Refactoring: code readability
Fixed: Screen_Name_Code#initialize was using nil @data values.
Added: doc on writing :initialize
Added: command: bin/test MODEL
Fixed: :shift, not :pop
Fixed: typo.