diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..314d0b8
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,7 @@
+language: rust
+rust:
+  - stable
+  - nightly
+matrix:
+  allow_failures:
+    - rust: stable
diff --git a/src/commands.rs b/src/commands.rs
new file mode 100644
index 0000000..0728577
--- /dev/null
+++ b/src/commands.rs
@@ -0,0 +1,84 @@
+//! Commands contains the command constants expected during the UCI lifecycle
+//! It is useful to note many of these commands do not end with '\n'. This is because they expect arguments.
+
+///////// GUI to Engine /////////
+
+/// Tell engine to use the UCI (Universal Chess Interface)
+pub const UCI: &'static str = "uci\n";
+
+/// DEBUG toggles the debug mode of the engine on or off
+pub const DEBUG: &'static str = "debug";
+pub const DEBUGON: &'static str = "on";
+pub const DEBUGOFF: &'static str = "off";
+
+/// ISREADY synchronizes the engine with the GUI
+pub const ISREADY: &'static str = "isready\n";
+
+/// SETOPTION is sent to the engine when the user wants to change an internal parameter
+pub const SETOPTION: &'static str = "setoption";
+
+/// REGISTER is the command used to try to register an engine or tell the engine that registration will be done
+/// later
+pub const REGISTER: &'static str = "register";
+
+/// UCINEWGAME is sent to the engine when the next search (started with "position" and "go") will be from a different
+/// game
+pub const UCINEWGAME: &'static str = "ucinewgame\n";
+
+/// POSITION is sent to set up the position described in fenstring on the internal board and play the moves on the
+/// internal chess board
+pub const POSITION: &'static str = "position";
+
+/// GO signals to start calculating on the current position set up with the "position" command
+pub const GO: &'static str = "go\n";
+
+/// STOP signals to stop calculating as soon as possible
+pub const STOP: &'static str = "stop\n";
+
+/// PONDERHIT will be sent if the engine was told to ponder on the same move the user has played
+pub const PONDERHIT: &'static str = "ponderhit\n";
+
+/// QUIT signals to quit the program as soon as possible
+pub const QUIT: &'static str = "quit\n";
+
+
+///////// Engine to GUI /////////
+
+
+/// ID is used to signal the engine name and author to the GUI
+pub const ID: &'static str = "id";
+
+/// UCIOK is sent after the ID and optional options to tell the GUI that the engine has sent all infos and is ready
+/// in UCI mode
+pub const UCIOK: &'static str = "uciok\n";
+
+/// READYOK is sent when the engine has received an "isready" command and has processed all input and is ready to
+/// accept new commands now
+pub const READYOK: &'static str = "readyok\n";
+
+/// BESTMOVE is sent when the engine has stopped searching and found the move best in this position
+pub const BESTMOVE: &'static str = "bestmove";
+
+/// COPYPROTECTIONCHECKING tells the GUI that the engine is checking the copy protection
+pub const COPYPROTECTIONCHECKING: &'static str = "copyprotection checking\n";
+
+/// COPYPROTECTIONOK tells the GUI that the engine has verified the copy protection
+pub const COPYPROTECTIONOK: &'static str = "copyprotection ok\n";
+
+/// COPYPROTECTIONERROR tells the GUI that the engine has rejected the copy protection
+pub const COPYPROTECTIONERROR: &'static str = "copyprotection error\n";
+
+/// REGISTRATIONCHECKING tells the GUI that the engine is checking the registration
+pub const REGISTRATIONCHECKING: &'static str = "registration checking\n";
+
+/// REGISTRATIONOK tells the GUI that the engine the registration has been verified
+pub const REGISTRATIONOK: &'static str = "registration ok\n";
+
+/// REGISTRATIONERROR tells the GUI that the engine has rejected the registration
+pub const COPYPROTECTIONCHECKING: &'static str = "registration error\n";
+
+/// INFO tells the GUI the engine wants to sent infos to the GUI. This should be done whenever the info has changed
+pub const INFO &'static str = "info";
+
+/// OPTION tells the GUI which parameters can be changed in the engine
+pub const OPTION &'static str = "option";
diff --git a/src/lib.rs b/src/lib.rs
index 31e1bb2..cb71d6d 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,7 +1,6 @@
-#[cfg(test)]
-mod tests {
-    #[test]
-    fn it_works() {
-        assert_eq!(2 + 2, 4);
-    }
-}
+//! UCI is a simple library to allow people to ignore the lower-level protocol needed to create chess engines.
+
+mod commands;
+
+
+