Changs w/ 4.1.7:

- Kwalitee final touches

Changes w/ 4.1.6:

- MANIFEST repairs

Changes w/ 4.1.5:

- Kwalitee test recommendations

Changes w/ 4.1.4:

- Doc fixes

Changes w/ 4.1.3:

- Doc fixes

Changes w/ 4.1.2:

- Slightly more robust tree walker
