Written TODO for version 2.1.

Author: jaragunde

TODO

@@ -1,4 +1,20 @@
 TODO
 ====
 
+Version 2.1
+-----------
+
+Features
+~~~~~~~~
+
+* Possibility to set a deadline in the past, so tasks before that date cannot be
+  modified.
+* Ability to reset holidays account in a determinate date, similar to the
+  compensation of extra hours.
+* New report for users to see a filtered list of their tasks.
+
+Bugs
+~~~~
+
+* Fix false positives in the detection of overlapping tasks.