New design for freezing.  No Snapshot, instead freezing is simply changing a type parameter for the LVar.
More progress with new freezing approach.
Refactoring: moved the type class def around.
Tweaked Set and IVar to use the new method.
WIP: Continue to refactor class hierarchy and update for the new freezing methodology.
Rename `Old` directory to indicate code accompanying the FHPC paper.
Move some TODOs over from sepdetpar; rename to TODO.md
Remove submodule for HSBencher
comment only change
Merge branch 'const-snapshot'
Add to TODO.  Add runParThenFreeze
Get cabal install working again.  Disabled the modules that aren't ported to DeepFrz yet.  Made the abstract-par dependency optional.
Big reorganization, step 1 of ?
Remove license lines from .cabal file since there's no LICENSE yet.
Unbreak pbbs-haskell build by adding missing hs-source-dirs.
Get fhpc-13-lvars-benchmarks building as its own package.