Kwargs error (#102)

* invalid kwargs specification should throw an error now

* bug fix and better error message

* small renamings

* error fix

* changed color in topoplot in wiki

* formatting

* fail in test

* fix test_all

* Update test_all.jl

stupid mistakes

* a bit

* merge

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Co-authored-by: behinger (s-ccs 001) <[email protected]>