Added depth argument to aggregate functions

Can now do multiple groupBys and process each level independently
Merge remote-tracking branch 'origin/master'
Made orderBy case-insensitive for strings
Updated version number in package.json
Made append respect saves
Merge remote-tracking branch 'origin/master'

Conflicts:
	dist/xapicollection.min.js
	dist/xapidashboard.min.js
Updated minified source
Fixed numeric where comparisons
Fixed last fix for numeric types in where clauses
Changed default collection from Async to Sync
Fixed child event passing bug
Post now receives CollectionSync object
Updated examples to reflect change in post
Update README.md
Update API_dashboar.md
Added support for process option
Added support for hex and octal literals in where statements
Finished collection api documentation
Minor updates to where number parsing
Minor update to documentation