Adding range node tests
Slight tweak to text spacing in IRC node
(Thanks to _jhr007_ for spotting)

Also taking chance to update to fa icons.

Closes #359
Tweak example settings for functionGlobalContext

Make it more obvious there should be a single hash, not multiple
Allow IRC to listen on multiple channels from one or multiple nodes...
Issue #362
Allow spaces in node category names
Fixes #361
Make IRC node channel check case-insensitive. Closes #365
Thanks _jhr007_ for the heads up.

Also now handle multiple output channels from a node. 
And add status indicators for connectied/joined.
Better template handling in CSV node - (can cope with quoted column names etc)
Downplay twitter geo-area capability (from warn to log)
Slight tweak to IRC status updates to clear on start.
Addressing  the first message bug in #346.
Not closing the Issue (yet) as there still seems to be some discussion re timing.
make IRC node handle RAW messages more cleanly.
Update index.html

Closing head tag
Add ability to tweet images
Closes #117
Merge delay node test
Fixes #346
Closes #347
Add checkbox support so config dialogs can save checkbox values