Update and rename README.md to README.rst

README.rst

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+
+LFUCache
+========
+
+.. image:: https://img.shields.io/pypi/v/lfucache.svg
+    :target: https://pypi.python.org/pypi/LFUCache
+
+Cache with LFU eviction scheme implemented in Python with complexity O(1) for insertion, access and deletion.
+
+.. code-block:: python
+  >>> import lfucache.lfu_cache as lfu_cache
+
+  >>> cache = lfu_cache.Cache()
+
+  >>> cache.insert('k1', 'v1')
+  >>> cache.insert('k2', 'v2')
+  >>> cache.insert('k3', 'v3')
+  >>> cache
+  1: ['k1', 'k2', 'k3']
+
+  >>> cache.access('k2')
+  'v2'
+  >>> cache
+  1: ['k1', 'k3']
+  2: ['k2']
+
+  >>> cache.get_lfu()
+  ('k1', 'v1')
+
+  >>> cache.delete_lfu()
+  >>> cache
+  1: ['k3']
+  2: ['k2']
+
+
+More details: http://www.laurentluce.com/posts/least-frequently-used-cache-eviction-scheme-with-complexity-o1-in-python