size default for hash table
move fields to public to support the new binary IO
move Relation to hpp
include the call to parallel io
i thought i changed this
Correct abstract methods compileme, refactor code that calls compileme, raise compile exception for programs that are optimized to an empty program, Fixes #191
Merge branch 'master' into bmyerz-grappa-improves
Merge branch 'bmyerz-grappa-improves' of github.com:uwescience/datalogcompiler into bmyerz-grappa-improves
flake8
tests for emitting clang/grappalang
Update links and badges in readme from datalogcompiler to raco.
Merge pull request #193 from uwescience/bmyerz-grappa-improves

Grappalang: Parallel File IO
Merge pull request #194 from uwescience/bmyerz-emit-tests

tests for emitting clang/grappalang
Merge branch 'master' into domoritz-empty-sequence-programs
Merge pull request #192 from uwescience/domoritz-empty-sequence-programs

Correct handling of empty or equivalent to empty programs
Add option to store to parittion data
Move column name resolution to non-internal function
Add shuffle operator before store
Move attribute ref resolution to top-level function
Test of user-directed partition operator