Updates CHANGELOG

Author: sdispater

CHANGELOG.md

@@ -1,8 +1,30 @@
+### 0.3
+
+(July 11th, 2016)
+
+This version causes major breaking API changes to simplify it and making it more intuitive.
+
+- Improves testing by providing a `test()` contextmanager.
+- Makes passing a naive `datetime` to `instance()` default to `UTC`.
+- Reduces `add_xxx()`/`sub_xxx()` methods to `add(**kwargs)`/`subtract(**kwargs)`.
+- Changes the `for_humans()` method of the `Interval` class to `in_words()` to avoid confusion with the `diff_for_humans()` method.
+- Makes more constants and methods available at module level.
+- Makes the constructor behave like the standard one. No more `Pendulum()`.
+- Fixes "sl" locale.
+- Renames the `to()` method to `in_timezone()`.
+- Removes the comparison methods to just stick with the basic operators.
+- Reduces `first_of_xxx()`/`last_of_xxx()`/`nth_of_xxx()` methods to `first_of(unit)`/`last_of(unit)`/`nth_of(unit, nth)`.
+- Reduces `start_of_xxx()`/`end_of_xxx()` methods to `start_of(unit)`/`end_of(unit)`.
+- Removes the `diff_in_xxx()` methods from the `Pendulum` and adds `in_xxx()` methods to the `Interval` class.
+- Renames the `PendulumInterval` class to simply `Interval`.
+- Makes the `Pendulum` class immutable.
+
+
 ### 0.2
 
 (July 4th, 2016)
 
-- Makes the ``Pendulum`` class truly inherits from ``datetime``
+- Makes the `Pendulum` class truly inherits from `datetime`
 
 
 ### 0.1.1