WIP a preview of what I have been working on#155

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msftrncs wants to merge 6 commits intoPowerShell:mainfrom

msftrncs:MassUpdate

Commits on Jan 25, 2019

from msftrncs\powershell.tmlanguage wip_goal
msftrncs
committed

Commits on Jan 27, 2019

overhaul variable members into unified accessors
msftrncs
committed
correct type reference meta scope, excess ':' in accessor, variable tweaks
msftrncs
committed

Commits on Jan 28, 2019

Commits on Jan 31, 2019

numerous corrections and optimizations, supports emdash, unicode escape
msftrncs
committed