Add more complete array handling in libcrunch.c. Rename struct rec to struct uniqtype, and change {pos,neg}_maxoff to be unsigned.
Change sloppy-dumptypes to work around ambiguity between long and long long ints.
Don't re-index l0 mappings after dlopen with NO_LOAD flag.
l0index: tolerate overlapping mapping requests in the case of heap/anonymous memory.