Close to working line continuations... still a few cases that are wonky, and it would be nice to not require the parenthesis.
Better line continuation detection for 2 vs 4 space indents
Better coupling of line continuations; parenthesis open continuations.
Merge branch 'linecontinuations'

Conflicts:
	src/grammar/indentsAndSpacing.pegjs
	test/good/lineContinuations.sjs