kivy/kivy — pull request #1720 by techwiz24 (2013-12-19 01:08:01+00:00)
Title: Add include directive to KV Language specification

Resolve kivy/kivy#1341 by adding the `#:include` directive. Users can now include external Kivy Language files to make large and complex widget management easier. An exception will be thrown if the file does not exist or if the user has already included the file either in the file currently being parsed or any other file that has already been parsed.