add license and readme

LICENSE.txt

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+Copyright (c) 2013 Yuri Artemev
+
+MIT License
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

README.md

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+# exredis - Redis client for Elixir
+
+## Install
+
+Add this to the dependencies:
+
+```elixir
+{ :exredis, "0.0.1", [ github: "artemeff/exredis", tag: "0.0.1" ] }
+```
+
+## Usage
+
+### Connect to the Redis server
+
+```elixir
+client = Exredis.start
+```
+
+### Set & Get
+
+```elixir
+# set
+Exredis.query(client, ["SET", "FOO", "BAR"])
+
+# get
+Exredis.query(client, ["GET", "FOO"])
+# => "BAR"
+```
+
+### Mset & Mget
+
+```elixir
+# mset
+Exredis.query(client, ["MSET" | ["key1", "value1", "key2", "value2", "key3", "value3"]])
+
+# mget
+Exredis.query(client, ["MGET" | ["key1", "key2", "key3"]])
+# => ["value1","value2","value3"]
+```
+
+### Transactions
+
+```elixir
+# start
+Exredis.query(client, ["MULTI"])
+# exec
+Exredis.query(client, ["SET", "foo", "bar"])
+Exredis.query(client, ["SET", "bar", "baz"])
+# commit
+Exredis.query(client, ["EXEC"])
+```
+
+### Pipelining (maybe won't work)
+
+```elixir
+Exredis.query_pipe(client, [["SET", :a, "1"], ["LPUSH", :b, "3"], ["LPUSH", :b, "2"]])
+```
+
+### Pub/sub (maybe won't work)
+
+```elixir
+Exredis.subscribe(client, "foo")
+Exredis.publish(client, "foo", "bar")
+```
+
+## Contributing
+
+1. Fork it
+2. Create your feature branch (`git checkout -b my-new-feature`)
+3. Commit your changes (`git commit -am 'Add some feature'`)
+4. Push to the branch (`git push origin my-new-feature`)
+5. Create new Pull Request