New style for interpretations. New object to represent nodes. Simplified interpretation carving considerably
Fix bug with newline prior to paragraph
Almost everything uses Node objects now. Still need to fixup anything not covered by tests
More dict -> obj switches
Merge branch 'regtree-reorder' into tree-makeover
Fix additional bugs with interpretation reordering
typ -> node_type
Interp -> INTERP_MARK
Merge pull request #88 from cmc333333/tree-makeover

Tree Makeover
Fixed spelling, to ensure a meaningful comment.
Starting to parse subparts