fixed bugs introduced by start/stop, added and fixed t.cases
more complete start/stop test case
added port_kill test case
added port_data test case
improved data test case, covers sum and data returned from le_eixx
error out on bad_response
dir bugfixes, 99% eunit coverage on le
mod:func export check only if needed
ct testcases with profiling and messaging
Many bugfixes, testcases

-port_stop made synchronous
-Test cases for Exespec parsing
-Test cases for Runparams merging
-gen_exe:stop added
-handle_* forwarding bugfixes
-no spaces if argopt is empty in argspec
-Test cases for call/info/cast forwarding