Setting limit to max out at 1k
merged with master
initial code for composite multiple filters per property
passes initial testing
zig zag fix for large quantities of data
removed logging
Merge branch 'multiple-filters-property-composite' of https://github.com/nlake44/appscale
fix for start and end keys on composite multi filter on same property
Increase composite window size for faster queries.
refractoring code on setting the limit
forgot to remove the stub
removed logging
Issues with left over locks and failure to delete locks (possibly due to async delete)
10k max limit on queries
Merge branch 'multiple-filters-property-composite' of https://github.com/nlake44/appscale into zigzag-check
Merge branch 'zig-zag-fix' of https://github.com/nlake44/appscale into zigzag-check
Merge branch 'max-limit' of https://github.com/nlake44/appscale into zigzag-check
Using cursors correctly in zig zag merge join queries