Bump version (#57)

Author: hansenms

setup.py

@@ -58,7 +58,7 @@ def to_uri(filename):
 
 setup(
     name='ismrmrd',
-    version='1.12.0',
+    version='1.12.1',
     author='ISMRMRD Developers',
     description='Python implementation of the ISMRMRD',
     license='MIT',