temporal rifts now visible over the newpix / Molpy.extend

add Molpy.extend() to add properties to boosts more easily and similarly
to how boosts are declared intitially
Bug
Merge pull request #704 from LucidCrux/rifts_in_pix

Temporal Rifts are actual rifts in the new pix
Merge pull request #705 from waveney/wav24

Bug
Merge pull request #707 from eqbot/master

Refactors castlesSpent, also fixes the spot I missed in persist with refactoring sandSpent.
Merge pull request #4 from eternaldensity/master

update