Expose more function space bases via the Python interface
This includes, fixes and extends !297 (closed) .
Doing this, it has collected more stuff:
- improve the testing infrastructure for the Python interface of function space bases
- Export the Nédélec and Raviart-Thomas bases
- Some minor improvements and fixes regarding the support of power and composite bases.
- Remove the deprecated class
DefaultNodeToRangeMap
(from !400 (merged))
Edited by Oliver Sander