fix missing definition of SSIZE_MAX in windows default tip

add temporary implementations for string to number and first test cases

fix another missing free() in json tests

make cx_strcast() also support cxstring

fix cx_hash_key_cxstr() being a macro

implement all string to number conversions that are just wrappers

don't trust that size_t always has word width

(0) -1000 -300 -100 -30 -10 -7 tip

mercurial