write_since(): Take an arbitrary `Write`r

Instead of always printing to standard output, have the function take a
writer to write the output to.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/main.rs b/src/main.rs
index 2648353..60f12d8 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -4,5 +4,5 @@ use git_todo::write_since;
 
 
 fn main() {
-    write_since();
+    write_since(&mut std::io::stdout());
 }