Escape column names for return fields
Merge pull request #90 from aratcliffe/master

Escape column names for return fields
Merge branch 'master' of https://github.com/spatialdev/PGRestAPI

# By Adam Ratcliffe
# Via Adam Ratcliffe (1) and Ryan Whitley (1)
* 'master' of https://github.com/spatialdev/PGRestAPI:
  Escape column names for return fields
Merge branch 'dev'

* dev:
  Allow where clauses and/or fields specification when creating dynamic vector tiles from postgres
  updated paths for services list.  settings.port uses env.PORT if specified.  protocol detection.
  Updating basemap on table query page.
  Dynamic preview for static .mbtiles .pbf endpoints.
  Updating shapefile source definitions.
  Gitignore contents of shapefile data folders. Handle multiple geometry tables for dynamic vector tile and png endpoints.