Added the set command to the overall list of commands shown in the help. Removed extra equals sign from the tutorial printed when the output from '=' is too long, which was confusing people about how 'set cc' works.
Reviewed By: @hermanventer
Differential Revision: D967395
The debugger's API mode added a lot of extra complexity to the debugger client for minimal value. It also had a bunch of bugs, and unnecessarily tied alternate debugger clients to the command line client implementation. Deleting it.
Differential Revision: D912729