Update RLangMode.txt --> library.properties.txt

Bumps version in source: previous build artifacts for 108 were correct, but corresponding commit did not include version bump on master.

Author: jeremydouglass

docs/RLangMode.txt

@@ -3,7 +3,7 @@ authorList = [Processing.R Authors](https://github.com/processing-r/Processing.R
 url = https://github.com/processing-r/Processing.R
 sentence = Processing in R Language
 paragraph =
-version = 107
-prettyVersion = v1.0.7
+version = 109
+prettyVersion = v1.0.9
 maxVersion = 0
 minVersion = 260