diff --git a/Cargo.lock b/Cargo.lock
index e48fefc2..f04d9b7a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -6,6 +6,7 @@ dependencies = [
  "clap 1.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "config 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "glob 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "itertools 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "open 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "prettytable-rs 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -85,6 +86,11 @@ name = "glob"
 version = "0.2.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "itertools"
+version = "0.4.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "kernel32-sys"
 version = "0.1.4"
diff --git a/Cargo.toml b/Cargo.toml
index d58d0158..a8b47ed8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -28,4 +28,5 @@ term_grid = "0.1.2"
 prettytable-rs = "0.4.0"
 open = "1.1.0"
 pulldown-cmark = "0.0.3"
+itertools = "0.4.5"
 
diff --git a/src/main.rs b/src/main.rs
index 5dff5484..0dfb7068 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -10,6 +10,7 @@ extern crate pulldown_cmark;
 extern crate url;
 extern crate config;
 extern crate open;
+extern crate itertools;
 
 pub use cli::CliConfig;
 pub use configuration::Configuration;