Ignore doc/ dir
Document the wsock_message module
Update README file with a reference to the documentation and include a task in the Rakefile
Include a Guarfile. Right now use it to run dialyzer of file change
Improve specs and its styling
Add a clarification note about errors to encode/3 documentation
Document the type of data for close messages
Merge branch 'doc-spec-wsock_message'

Conflicts:
	src/wsock_app.erl
	src/wsock_sup.erl