Merge lucky.js and golden-cookie.js
Work on lucky cookies code
Add #getPrice method on buildings and upgrades
Take into account the new income when calculating lucky deficits
Fix frenzies not affecting BCI
Take into account Elder Covenant and Revoke
Fix upgrades prepended with [Research] returning NaN as worth
Fix some bugs in the behaviour of frenzy bars
Fix computed bonus of cursor/non-object upgrades
Fix JSHint error
Move matches() on the object’s prototype
Move identifier on the Object prototype
Fix some remaining calls to old .matches()
Update tests
Rebuild files
Update CHANGELOG.md