(untested) config and more big changes

- add toml config
- add more warnings
- fix skip second post on successful ip change
- renamed a lot of variables
- various minor improvements

config.toml.example

@@ -0,0 +1,15 @@
+#General settings
+hostname = "mein-iserv.de"
+session_cookie = "IServSAT=mvuvFvCZSlpvuwhk0mmNwF1NKEQypM4d; IServSession=xEPqyJO1a5nsVd34HEpbPqQGMMQKapvw"
+
+# Targeted device settings
+target_ip = "10.1.1.1"
+target_room = 123
+target_compilation = 1
+
+
+[host_filter]
+"filter[controllable]" = ""
+"filter[room][]" = "__none"
+"filter[group]" = ""
+"filter[search]" = "iPad"