In mp_string_digits and mp_from_str, skip whitespace, then skip leading zeroes. Fix bug where MP_TMP_ALLOC was used instead of MP_PTR_ALLOC.
In mp_string_digits and mp_from_str, skip whitespace, then skip leading zeroes.
Fix bug where MP_TMP_ALLOC was used instead of MP_PTR_ALLOC.

fmela/weecrypt,fmela/weecrypt