Pydu

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**Enhancements**

* Improve ``system.remove`` when path is read-only.
* Add ``path.normjoin`` which join one or more path components intelligently and normalize it.
* Improve ``environ.environ`` with supporting variable_name=None which means removing the variable from environment temporarily.

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**Enhancements**

* Add ``network.private_ipv4s`` which stores private IPV4 addresses.
* Add ``functional.compose`` which composes all functions into one.
* Add ``TYPE HINT`` for ALL MODULES by supplying STUB FILES!

**Bug fixes**

* Fix reduce error on Python 3.

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**Enhancements**

* Add ``socket.inet_pton`` and ``socket.inetntop`` for Windows if we ``import pydu.network``.
* Add ``network.ip2int`` and ``network.int2ip`` which convert ip to integer or integer to ip.
* Add ``process.get_processes_by_path`` for getting processes which are running on given path or sub path of given path.
* Add ``first``, ``last``, ``all``, ``any`` and ``join`` to ``pydu.iter``, which support many operations on iterable object.

**Bug fixes**

* Fix several convert functions return values with unnecessary value 'L' when given big number on Python 2.

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**Enhancements**

* Add ``bin2oct``, ``bin2dec``, ``bin2hex``, ``oct2bin``, ``oct2dec``, ``oct2hex``, ``dec2bin``, ``dec2oct``, ``dec2hex``, ``hex2bin``, ``hex2oct``, ``hex2dec`` to ``convert``, which support many base conversions
* Add ``path.is_super_path`` which judges whether the given ``path1`` is the super path of ``path2``
* Add ``environ.environ`` which is a context manager for updating one or more environment variables
* Add ``environ.path`` which is a context manager for updating the PATH environment variable
* Add ``list.tolist`` which converts obj to list
* Add ``list.flatten`` which generates each element of the given ``seq``
* Add ``compat.strbytes_types`` which includes all types about string

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**Importance**
* Remove support for Python 3.4

**Enhancements**

* Add ``dict.OrderedDefaultDict`` which remembers insertion order and has default value with default factory
* Add ``convert.boolean`` which converts obj to a boolean value
* ``console.console_size`` will use ``shutil.get_terminal_size`` if possible
* ``exception.ignore`` is same to ``context.lib.suppress`` on Python 3

**Bug fixes**

* Fix 15 (If the ``dict.attrify``'s obj is tuple, this will raise a error)

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**Enhancements**

* Add ``FileTracker`` which could track opening files.


**Bug fixes**

* Fix ``pip install`` error on Windows with Python 3.
* Fix ``network.is_ipv6`` test error on Windows with Python 3.
* Fix description error on ``network``, ``request`` doc.