Merge pull request #133 from sportngin/fix-subvenues-list

Fixes the issue of list failing on a recursive call
0.2.36
fleshed out tests
remove undefined items
move logic to modelbase
add a test for the query filtering
proof that zero will not get stripped
Merge branch 'master' into staging
Merge branch 'subvenues-when-venue_id-is-undefined' into staging