added Dutch & Scandinavian (3) stemmer tests
added alternate German stemmer option
added Dutch stemmer up to Step 1
added Dutch Step 1
added undoubling as a private function for Dutch stemmer
added Steps 2 & 3a
added Dutch Step 3b
added CODING_STANDARDS for commits/pushes
added Dutch Step 4 and final remapping
added stubs for Norwegian, Swedish, & Danish stemmers
removed extraneous newlines
fixed index bug error
switched from removing all umlauts & acute accents to just removing those attached to aeiou
a bit of cleanup
added Norwegian stemmer (complete)
added Swedish stemmer (complete)
added Danish stemmer (complete)
added a term to complete code coverage in tests (for -erendes)
pylint fixes
added early English and alternate German vowels tests