Add ability to globally set module options through environment vars

Author: rastating

wpxf.rb

@@ -78,4 +78,14 @@
   end
 end
 
+found_env_var = false
+ENV.each do |name, value|
+  match = name.match(/^wpxf_(.+)/i)
+  if match
+    console.gset match.captures[0], value
+    found_env_var = true
+  end
+end
+
+puts if found_env_var
 console.start