Start of rastach main program and renderer
start use of syntax classes
Update examples
Examples
Update README.org
Update Tests
Resolve conflict
Start of rastach main program and renderer
Update renderer
Merge branch 'better-context' of github.com:rcherrueau/rastache into better-context

Conflicts:
	renderer.rkt
Update renderer
Supplies a token method used by the printer.
Renderer seems woorking corectly
Documentation of the lookup function
Implements inverted section
Reorganize provide and require
Better render with number in escaped char case
Tests for renderer
Add some comment for a better comprehension
Add string trim to well isolate key