update setup.py

Author: zsylvester

setup.py

@@ -8,7 +8,7 @@
 
 setuptools.setup(
     name="segmenteverygrain",
-    version="0.1.7",
+    version="0.1.8",
     author="Zoltan Sylvester",
     author_email="zoltan.sylvester@beg.utexas.edu",
     description="a SAM-based model for segmenting grains in images of grains",