Enable adding links to video tutorials in help screen (#173)
Enable adding links to video tutorials in help screen (#173)

* Added video link parsing to show help

* Update the parsing to support multiple links, and use better syntax to denote.

* Revise truncation algorithm in ShowHelp. Clarify conditionals.

Goodly/TextThresher,Goodly/TextThresher,Goodly/TextThresher,Goodly/TextThresher