Added PhysicsCache from minsky final project
Implemented simple tower builder
Added physics simulator
Fixed bug that crops up when likelihood has no support on any programs in frontier
Fixed bug in previous bug fix
Implemented new parser for expressions.
Added holes and caching of physics simulation results
Parallelized planner
Fixed bug in logSumExpList that caused it to incorrectly handle plus/minus infinity
Added code to canonicalize towers in the physics cache
Added loading of old physics cache
Added automatically saving/loading grammars when process is interrupted
Fixed bugs in kpca
Optimizations to the planner
Finished computation of features via program induction
progress on feature learning
Improved interface between python physics simulator and haskell code
Added code for simplifying expressions
Fixed problem with pseudocounts for tower grammar
Added check for the existence of physics cache