diff --git a/.bam/utils.lua b/.bam/utils.lua
new file mode 100644
index 0000000..ff4957f
--- /dev/null
+++ b/.bam/utils.lua
@@ -0,0 +1,10 @@
+
+-- Returns True if 'table' contains the value 'val'. False otherwise.
+function contains(table, val)
+   for i=1, #table do
+      if table[i] == val then
+         return true
+      end
+   end
+   return false
+end