752 - Formatters are now simple functions

752 - Formatters are now simple functions
onlyShowUnchanged param and dependency fixing
si -> siSuffix
Removing onlyShowUnchanged var from siSuffix
Fixing API breakage in quicktests for formatter

Close #752.
i think that setting the default formatter to `Formatter.general` shuold be done in numeric, and baseAxis should just go with identity, since having a numeric formatter for the base axis doesnt make much sense