Add the missing `MGlobal` module to the `__all__` attribute.
Add the missing `bnn` identifiers for the test routines.
Create a new internal module for data caching.
Get the example to fit within the characters width limit.
Remove a leftover module from the `__all__` attribute.
Add a method `bnn_getFunctionSet` to the `MObject` class.
Add a method `bnn_asFunctionSet` to the `MObject` and `MDagPath` classes.
Minor changes to the doc of `bnn_getFunctionSetFromType`.
Nicer header to avoid having the word "reference" in double.
Released of the v0.0.2.