fix new ops ns location
midje-cascalog passing, removed complex queries to be added into core as test
add join negation test into core
back to passing. close to handling the dag issue.
move gen as set validation
move gen as set validation
DAG issue fixed.
Merge branch 'feature/cascalog_two' of github.com:nathanmarz/cascalog into feature/cascalog_two
Merge pull request #164 from Quantisan/feature/midje

get midje-cascalog test passing in cascalog_two
Add conf
Merge branch 'feature/cascalog_two' of github.com:nathanmarz/cascalog into feature/cascalog_two
fix self join
traps working
lazy generator
limit working