Now constructing where= field more accurately
Added 'fields' setting through which permitted 'where' fields can be set
Added 'shape' to fields array
'getData' now 'get'; added missing semi-colon; added 'shape' to fields array
Tweaked the way that .get constructs a request params string, per feedback
Simplifying things to take SQL-style 'where' field
outFields now work in a more simple way