Add support for v.1.0375

[Riikka Kalliomäki]

The optimizer needs to be updated to support the new version. Things to change:

• Kitten overseers multiplier reduced from 0.3 -> 0.2
• Farms base CPS changed 2 -> 4
• First farm upgrade changed from 0.5 -> 1
• Add new tier of upgrades
• Add new cookies
• Account for new achievements in import milk calculation (clicking, neverclick, 2 grandmas)

[Riikka Kalliomäki]

The optimizer should now be fully updated for v.1.0375. ctrl+f5 refresh is required to load the new upgrade image files.