Reworked string parsing to allow " in strings, better \ use, and multiline strings.
Reworked string parsing to allow " in strings, better \ use, and multiline strings.

Multiline strings are supporter.
"\"" -> '"'
"__\ -> '__\'
"\" -> '"'

aadeebamou/pyth,CarpetPython/pyth,isaacg1/pyth,jakobkogler/pyth,isaacg1/pyth,CarpetPython/pyth,jakobkogler/pyth,gcq/pyth,aadeebamou/pyth,gcq/pyth