fix quote
reset more variables
py-iter -> py-object-iter
fix tests
--next-- and --iter-- fields
ignore macro names in strings for comments
variable: pyel-ast-backtrace
fix pyel-buffer-to-string
function: back_to_open_paren
treat macros as the start of blocks
just use current buffer
save the match data
apparently not
prevent premature discarding (bug fix)
reset more vars
functions for prettyprinting
function: pyel-at-list-p
fix python indentation inside macros
ws
prettyprint function args