Merge tag '0.1.2' into develop

Vist 0.1.2 upon the world
 - add type constructors to things
 - improve write-meta for non-defs
W0rk
Don't need to file postfix a file
Support parsing arbitrary Things
Start sketching at :sentinel
Handle some issues reading meta
Use examples dirs
Bumped version to 0.1.3
Merge branch 'release/0.1.3'