Add app/info command.
0.1.126
Support get into document properties.

Such that doc get ... field property will print the nested object.

Support passing custom language in the print logic so that the app/get
command may coerce functions to the native language and indicate the
highlight language to use.
0.1.127
Rename app/add to app/push.
0.1.128
Support --ddoc in att/*.
0.1.129
Fix view collation id bug.
0.1.130
Support app/push from any directory.
0.1.131
Move app test fixtures.
0.1.132
Assert on app/push and app/get.
Assert on app/rm.
Assert on design document head.
Assert on doc/head.
0.1.133