ProfileOptions: add some basic integrity checking

[dweindl]

I kept wondering why changing min_step_size did not change anything. Turned out it was nowhere checked whether default_step_size is below min_step_size...

Now ProfileOptions.__init__ and pypesto.profile.parameter_profile check at least a subset of profiling options.

[codecov-commenter]

Codecov Report

Merging #1163 (12fe21d) into develop (160c2a8) will decrease coverage by 3.78%.
Report is 405 commits behind head on develop.
The diff coverage is 87.95%.

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@@             Coverage Diff             @@
##           develop    #1163      +/-   ##
===========================================
- Coverage    88.16%   84.39%   -3.78%     
===========================================
  Files           79      148      +69     
  Lines         5257    11666    +6409     
===========================================
+ Hits          4635     9845    +5210     
- Misses         622     1821    +1199     

Files	Coverage Δ
pypesto/C.py	100.00% <100.00%> (ø)
pypesto/__init__.py	100.00% <100.00%> (ø)
pypesto/engine/__init__.py	100.00% <100.00%> (ø)
pypesto/engine/multi_process.py	93.10% <100.00%> (+0.79%)	⬆️
pypesto/engine/multi_thread.py	100.00% <100.00%> (ø)
pypesto/engine/single_core.py	100.00% <100.00%> (ø)
pypesto/engine/task.py	100.00% <100.00%> (ø)
pypesto/ensemble/__init__.py	100.00% <100.00%> (ø)
pypesto/ensemble/task.py	100.00% <100.00%> (ø)
pypesto/hierarchical/__init__.py	100.00% <100.00%> (ø)
... and 138 more

[PaulJonasJost]

Thanks for the test as well 👍🏼