set options
remove whitespace at EOL
add debugging output
bugfix and code cleanup

- improve computation of fitness to properly include abolished communes
- replace internal helper computeFitnessAndMunList by helpers meltMutations, computeFitness and computeMunList
- filtering by municipality ID is not used anymore in swcGetMutation(), instead all filtering is performed on the molten data frame returned by meltMutations()
Roxygenize
remove parameter municipalityIds to swcGetMutations()
update NEWS
Bump version to 0.0-5
use full qualification
Roxygenize
fix warning
update example output