Change next arctic release number

The next one will be 1.77 because I messed up 1.75 and 1.76 :sadness

Author: shashank88

CHANGES.md

@@ -1,6 +1,6 @@
 ## Changelog
 
-### 1.75
+### 1.77
   * Bugfix: pypandoc not rendering README correctly for PYPI
   * Bugfix: #744 get_info on an empty dataframe raises an exception
   * Bugfix: #751 Handle unpickling py2 datetime and other object types with latin1

setup.py

@@ -65,7 +65,7 @@ def run_tests(self):
 
 setup(
     name="arctic",
-    version="1.75.0",
+    version="1.77.0",
     author="Man AHL Technology",
     author_email="[email protected]",
     description=("AHL Research Versioned TimeSeries and Tick store"),