v0.5.5

1. More robust handling of numpy arrays and datetime objects in json.
2. Refactor NotOverwritableDict to Namespace (Matteo).

v0.5.4

1. Addition of many help functions in string, itertools, etc. (Matteo).
2. NullFile and NullStream in monty.design_patterns (Matteo).
3. FileLock in monty.io (Matteo)

v0.5.3

1. Minor efficiency improvement.

v0.5.2

1. Add unicode2str and str2unicode in monty.string.

v0.5.0

1. Completely rewritten zopen which supports the "rt" keyword of Python 3
   even when used in Python 2.
2. monty.string now has a marquee method which centers a string
   (contributed by Matteo).
3. Monty now supports only Python >= 3.3 as well as Python 2.7. Python 3.2
   support is now dropped.

v0.4.3

1. Additional dev decorators lazy and logging functions.

v0.4.1

1. Minor bug fix for module load in Py3k.

v0.4.0

1. Remove deprecated json.loadf methods.
2. Add MSONable protocol for json/yaml based serialization.
3. deprecated now supports an additonal message.

v0.3.6

1. :class:monty.tempfile.ScratchDir_ now checks for existence of root
   directory. If root path does not exist, will function as simple
   pass through. Makes it a lot more robust to bad mounting of scratch
   directories.

v0.3.5

1. Added backport of functools.lru_cache.