Add contributors

Added @higgi13425  as a contributor for his much needed documentation editing!
diff --git a/.Rproj.user/441ADA46/sources/prop/60EAAA4E b/.Rproj.user/441ADA46/sources/prop/60EAAA4E
index c350964..49bceed 100644
--- a/.Rproj.user/441ADA46/sources/prop/60EAAA4E
+++ b/.Rproj.user/441ADA46/sources/prop/60EAAA4E
@@ -1,4 +1,4 @@
 {
     "cursorPosition" : "138,30",
-    "scrollLine" : "99"
+    "scrollLine" : "82"
 }
\ No newline at end of file