Usability improvements - Githubissues

SpikeDetekt now:

Gives a descriptive message when KlustaKwik doesn't return properly
Handles --overwrite in a more sensible way
Boundary checks some KlustaKwik parameters before passing them on (MaskStarts / MaxPossibleClusters / Max/MinClusters)
Prints version on run
Has more descriptive error messages
Bumped version to 0.3.0.rc2

klusta-team / spikedetekt2