added license

LICENSE

@@ -0,0 +1,29 @@
+MODIFIED BSD LICENSE – COMMERCIAL USE PROHIBITED
+
+Copyright (c) 2014, Ross Goodwin
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, this
+  list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright notice,
+  this list of conditions and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+
+* Any redistribution, use, or modification is done solely for personal benefit
+  (where you receive no fee, salary or any other form of compensation) and not
+  for or directed towards any commercial advantage or monetary compensation.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

hmap.py

@@ -75,7 +75,8 @@ def change_one_pixel(curVal, tgtVal):
 def change_one_pixel_smooth(curVal, tgtVal):
     Nincrements = abs(curVal - tgtVal)
     for inc in reversed(range(Nincrements)):
-        if tgtVal > curVal:                                 # This part was throwing IndexErrors, so I adjusted it
+    # This part was throwing IndexErrors with certain images, so I adjusted it. Not sure if this is the best fix though!
+        if tgtVal > curVal:
             try:
                 change_one_pixel(curVal+inc,curVal+inc+1)
             except IndexError: