Fix issue with pypi/pip installation

Author: nguerin

setup.py

@@ -45,7 +45,7 @@ def read_doc(filepath):
 setuptools.setup(
     # description
     name='kapture',
-    version="1.1.1b4",
+    version="1.1.1",
     author="naverlabs",
     author_email="kapture@naverlabs.com",
     description="kapture: file format for SfM",