Updated to stable enum format
Bugfix + utility function

Updated SvSetSocketAnyType so it works properly.

get_socket_type utility function that is useful as it is more general
than multi socket code.
Text In & Text Out
Text In and Text Out

Support for 3 formats:
Simple python list
JSON, you can dump any number of objects/lists and get them back, in
well document standard format for data exchange. the format Sverchok
uses might change still as this is a beta feature.
CSV using python CSV module, only gives number data.

TODO: update stability, colors, external files, name fields for csv and
json.
Merge branch 'master' of https://github.com/ly29/sverchok

Conflicts:
	node_s.py
	util.py
Sync with master
Node_text

Todo