Bump version to 3.0.0dev3 and update CHANGELOG

Author: dhoomakethu

CHANGELOG.rst

@@ -1,3 +1,11 @@
+version 3.0.0dev3
+----------------------------------------------------------
+* Remove python2 compatibility code (#564)
+* Remove Python2 checks and Python2 code snippets
+* Misc co-routines related fixes
+* Fix CI for python3 and remove PyPI from CI
+
+
 version 3.0.0dev2
 ----------------------------------------------------------
 * Fix mask_write_register call. (#685)

pymodbus/version.py

@@ -41,7 +41,7 @@ def __str__(self):
         return '[%s, version %s]' % (self.package, self.short())
 
 
-version = Version('pymodbus', 3, 0, 0, 'dev2')
+version = Version('pymodbus', 3, 0, 0, 'dev3')
 version.__name__ = 'pymodbus'  # fix epydoc error
 
 # --------------------------------------------------------------------------- #