Gumshoe Trail of Cthulhu: v0.1.0

Fully featured Trail of Cthulhu spreadsheet, based off reusable
components that other GUMSHOE system games can use. Includes custom API
script for rolling point spends.
Merge pull request #483 from Ramblurr/master

Gumshoe Trail of Cthulhu: v0.1.0