Ignore IML (IntelliJ) files.
diff --git a/.gitignore b/.gitignore
index 8efa991..b2371c1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,3 +10,4 @@
 .project
 .classpath
 .externalToolBuilders/*
+/commons-codec.iml