Fixed up args references in table query endpoint
Set estimate_extent to false to enable view support for vector tile service
Merge current head
Add sort param for controlling order in which records are returned
Merge remote-tracking branch 'upstream/master'
Test that column names were found for table before attempting to use them
Merge pull request #99 from aratcliffe/master

Test there are column names for table (i.e. table exists) before attempting to use them