where it makes sense

Again, the check for this already exists, just need a test for it

check already exists, but no tests for it

fixes #78

Sexp#line can be used to retrieve or set the line number. No need to
invalidate the hash cache if line is not being set.

where it makes sense

Mass assignments were being clobbered, make api use consistent

Again, the check for this already exists, just need a test for it

check already exists, but no tests for it

Don't check find_by_* methods for sql

and get a free performance boost, yay!

just like Sexp#line(line)

also fixes issue with sometimes returning hash inside hash

because the next RubyParser release is going to break a LOT of stuff.

when target is a model

when rendering and when dealing with filters