added ocamlspot.4.00.0.2.1.0
Merge pull request #275 from camlspotter/pr

added ocamlspot.4.00.0.2.1.0
adds opass.0.2.1, which removes unnecessary async dependency from opass
Merge pull request #276 from pygatea/master

adds opass 0.2.1 which removes the unnecessary async dependency
fix cstruct.0.6.0 checksum; noticed by @samoht