Experimental changes, switched to toml instead of yaml. Hopefully everyone will like this as much as I do.

uiterm/key_toml.go

@@ -0,0 +1,15 @@
+package uiterm
+
+// MarshalText implements the encoding.TextMarshaler interface for Key
+// This allows TOML to serialize Key values as strings
+func (i Key) MarshalText() ([]byte, error) {
+	return []byte(i.String()), nil
+}
+
+// UnmarshalText implements the encoding.TextUnmarshaler interface for Key
+// This allows TOML to deserialize strings back into Key values
+func (i *Key) UnmarshalText(data []byte) error {
+	var err error
+	*i, err = KeyString(string(data))
+	return err
+}