Refactor test code
Remove matome process in Equip.Normalizer
Fix comment
Change "used slot0" to "used sp0" in Equip.Combinator
Merge branch 'fix-equip-normalizer'
0.5.0
Refactor: Deco.Normalizer return bulksSet as with Equip.Normalizer
Change: util.BorderLine calc subtracted goal
Refactor Equip.Combinator: split a test code and etc
Improve Deco.Combinator performance

Change combining process and data format as with Equip.Combinator.

before data: deombSet
{ head: { skillComb: {...}, slot: N, names: [...] }, ..., cache: {...} }
after data: comb
{ decombs: [ { head: { skillComb: {...}, decos: [...], slot: N }, ... ], sumSC: {...} }
Refactor: remove unused functions
Merge branch 'improve-deco-simu'