4.14.72-beta

• Added new methods for class TextAddon.

TextAddon::placeBefore()
TextAddon::placeAfter()

• Renamed method Select::setNullable to nullable
• BaseColumn renamed to TableColumn and moved to parent directory
• ColumnHeader renamed to TableHeaderColumn and moved to parent directory
• BaseFormElement renamed to FormElement and moved to parent directory
• Updated default config file.
• Refactored alias registering.