specifying a directory name for a dimension should work now
updated tileset.py and genPOI.py and a few other stragglers
Updated documentation

* Added paragraph and example about returning tuples from a filter
  (Issue #859)

* Added section about manualpois
  (Issue #858, Issue #869, Issue #598)

* Fixed a typo in the FAQ

* Added logging to file to the FAQ
  (Issue #871)
Merge in pull request #872
Merge pull request #862
Make sure that regionset.type always has a value
Validate texturepath exists
Fix spawn markers

(Fallout from the arbitrary dimension name change)
Fixed nether rendering crash

The nether rendering mode was not properly handling x and z values
outside of the range 0 to 15.  This was causing an out-of-bounds
segfault when accessing the remove_block array.

Fixes #881
Fixes #851
Fixes #852
travis ci button now uses master branch only

it used to show the status for all branches, which means (right now at least)
it's always failing.
Merge remote-tracking branch 'upstream/master'