Version bump to 21.0.4 + changelog

Author: fuzzard

pvr.hdhomerun/addon.xml.in

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <addon
   id="pvr.hdhomerun"
-  version="21.0.3"
+  version="21.0.4"
   name="HDHomeRun Client"
   provider-name="Zoltan Csizmadia ([email protected])">
   <requires>@ADDON_DEPENDS@</requires>

pvr.hdhomerun/changelog.txt

@@ -1,3 +1,7 @@
+v21.0.4
+- Add some help labels to some settings and group discovery related settings
+- Allow a user to specifically set IP address of HDHomerun device to search for if other discovery methods dont work.
+
 v21.0.3
 - Fixed API URL (thanks mooninite!)