Complete readme

README.md

@@ -1,4 +1,23 @@
-Alea
-====
+# Alea
+### A diceware passphrase generator
 
-a diceware passphrase generator
+### Usage
+Run `alea -h` for help
+
+Example usage:
+
+	$ ./alea
+	doso epurai usci selve dirupo bs
+
+	$ ./alea --phrases 3
+	ditelo vita moriro sf sedare selcia
+	pedino nido ardori visti curato menano
+	brullo merlo cicli sposti scorga mode
+
+	$ ./alea --phraselength 8
+	poi dalle stanze chinai donato timori sterza carene
+
+### License
+Dual licensed under the MIT and GPL licenses:  
+http://www.opensource.org/licenses/mit-license.php  
+http://www.gnu.org/licenses/gpl.html