Update README + API

Author: kilbith

API.md

@@ -168,14 +168,3 @@ You can add a stereotype like so:
 ```Lua
 craftguide.group_stereotypes.radioactive = "mod:item"
 ```
-
-#### `craftguide.background`
-
-You can set a custom background theme by overriding this variable:
-
-```Lua
-craftguide.background = "<file_name.png>#<middle>"
-
-```
-
-`middle` (number) refers to a 9-sliced background. Read the engine's Lua API documentation for more info.

README.md

@@ -19,4 +19,4 @@ For developers, `craftguide` also has a [modding API](https://github.com/minetes
 Love this mod? Donations are appreciated: https://www.paypal.me/jpg84240
 
 
-![Preview2](https://i.imgur.com/IbexMwQ.png)
+![Preview2](https://i.imgur.com/GVQvufb.png)

init.lua

@@ -1791,7 +1791,7 @@ register_command("craft", {
 		end
 
 		if not node_name then
-			return false, clr("red", "[craftguide] ") .. S("No node pointed")
+			return false, msg(name, S("No node pointed"))
 		end
 
 		return true, craftguide.show(name, node_name)