issues 380, 384: indenter options don't reload, indenter not working?
issues 380, 384: indenter options don't reload, indenter not working?

Rewrite the indenter code (mostly). Assume that subclassing from a
sublime_plugin base class just doesn't work. Make this code as dead
simple as it can get. Make Pastafarianist happy. Hopefully. I'm an
optimist. It's 2018.

SublimeHaskell/SublimeHaskell,bscottm/SublimeHaskell,bscottm/SublimeHaskell,SublimeHaskell/SublimeHaskell