Version number bumps

Author: fekete-robert

config/_default/config.toml

@@ -65,7 +65,7 @@ weight = 1
   # Used in the "version-banner" partial to display a version number for the 
   # current doc set.
 
-  version = "5.2"
+  version = "5.3"
   version_menu = "Releases"
   version_menu_canonicallinks = true
   version_menu_pagelinks = true
@@ -169,9 +169,13 @@ twitter = "AxoflowIO"
 #######################
 # Add your release versions here
 [[params.versions]]
-  version = "latest (5.2)"
+  version = "latest (5.3)"
   githubbranch = "master"
   url = ""
+[[params.versions]]
+  version = "5.2"
+  githubbranch = "release-5.2"
+  url = "/5.2/"
 [[params.versions]]
   version = "5.1"
   githubbranch = "release-5.1"