Update cargo.lock

Cargo.lock

@@ -62,7 +62,7 @@ dependencies = [
 
 [[package]]
 name = "casaubon"
-version = "0.2.0"
+version = "0.3.0"
 dependencies = [
  "chrono 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "clap 2.32.0 (registry+https://github.com/rust-lang/crates.io-index)",