#36 - added (isxdigit, islower) to Cx/stdlib.
#35 - fixed char and char[] literal assignments.
#28 - added most escape chars; see issue comments for whats needed.
#32 - seems to have cleared up. undefined behavior??? will keep an eye on this.
Merge pull request #38 from ahebert/master

#36 - added (isxdigit, islower) to Cx/stdlib.