fix sh
clean mad
try mad in travis
dynalo supports ets fs error handling
custom bridge
plan fix
Fixed PDF book link in README.md
Merge pull request #112 from AxisOfEval/master

Fixed PDF book link in README.md
added wf:stack()
Merge pull request #113 from d1ffuz0r/customize_stack_handler

added wf:stack()
pass error, reason into wf:stack() for more detailed reports
Merge pull request #114 from d1ffuz0r/customize_stack_handler

pass error, reason into wf:stack() for more detailed reports
rollback and close #107
disconnect info
Connect/Disconnect messages