Skipped some tests. Removed pry from all src/test files
Fix unit  test
Don't create docs on travis-ci
Only change the ATC-code if needed
Added business_area/narcotics for pharmacies
Check atc_class in swissmedic_update. Don't overwrite target if exists
Do not force encoding for frozen strings
Check atc_codes for all sequences if swissmedic-atc_code length okay...