Version bump

hg hash: 1bb5b2d846f631aed35994d7b05717917e19e1fe

Author: kburns

setup.py

@@ -181,7 +181,7 @@ def get_lib(name):
 
 setup(
     name='dedalus',
-    version='2.1810a2',
+    version='2.1810a3',
     author='Keaton J. Burns',
     author_email='keaton.burns@gmail.com',
     description="A flexible framework for solving differential equations using spectral methods.",