Add end-of-month type/calc

Adds util module

1 files changed, 1 insertions, 0 deletions

diff --git a/src/lib.rs b/src/lib.rs
index 2f59f3f..624ce64 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -6,4 +6,5 @@ pub mod error;
 pub mod iter;
 pub mod result;
 pub mod timetype;
+mod util;