potential fix for switch disconnect during send
actually place exception-throwing line inside try
temporarily comment out since try_lwt does not catch this
add debugging info to openflow (non-lwt) lib
add debugging flags to lwt library
regenerate oasis files
OCamlbuild must be capitalized in _oasis

silences this warning from `oasis setup`:
W: Field XOCamlbuildModules is set but matching plugin OCamlbuild is not enabled.