Startet 1.2.9 - dev

- c4dtools.prepare() may no be called without arguments. The required
information is retrieved from the previous frame.
- c4dtools.misc.boundingbox improvements
- c4dtools.utils.move_axis() added
- c4dtools.utils.Importer.protected() added
- c4dtools.utils.Importer.ProtectedEnvironment class added
- c4dtools.utils.Filename.iglob() fixed, by importing the glob module

- documentation strings improvements