Added some more documentations, added io.rst.
Converted scale to floats everywhere it is set by default.
Removed superfluous enumeration in reader/writer in io_field.
Fixed vector default and name saving in ovf.py.
Fixed vector default and necessity of dim in tec.py.
Fixed erronous dim -> scale assignment in vtk.py.
Fixed interp_to_regular_grid not using the multidim. scale correctly.

due to origin being lower, not higher as is default in maptlotlib

utils: Has quaternion and misc submodules
    misc has levi_civita and interp_to_regular_grid (used later for io)
field: Added HyperSpy support (get/set_signal)
    added copy/rotate/rot90/set_vector/get_vector methods

Also added mayavi to requirements in setup.cfg and environment.yml.
Added documentation on how to activate 3D notebook plotting with mayavi.
Fixed some bugs in io_field.py.
Fixed bug in reader of llg.py.

due to origin being lower, not higher as is default in maptlotlib

utils: Has quaternion and misc submodules
    misc has levi_civita and interp_to_regular_grid (used later for io)
field: Added HyperSpy support (get/set_signal)
    added copy/rotate/rot90/set_vector/get_vector methods

Deleted print statements, superfluous log, TODOs, added a few comments.