Redis Client for fend (https://github.com/chatid/fend)

• luajit with ffi or ffi
• fend
• hiredis

All functions will throw a lua error if they encounter a problem. Modules can be required individually, or all will be available under redis = require "fend-redis"

###fend-redis

• red = redis.add_sock ( dispatch , sock ) Adds a listener to the given dispatch for the connected redis socket sock

• red:query ( callback , ... )
  Send a command to redis.
  Vararg is sent to fend-redis.construct
  When it is done: callback ( redisReply , err ) is called with the reply or callback ( nil , error_string ) in case of failure.

• red:cmd ( ... )
  Send a command to redis; throw a lua error on failure.

###fend-redis.reply Adds a metatype to redisReply

• value , str = myreply:toLua()
  Converts the reply to lua object value. For success or error replys, returns a descriptive string.

###fend-redis.reader A thin wrapper around the hiredis redisReader structure

• myreader = reader.Create()
  Returns a redisReader object

• myreader:Feed ( string )
myreader:Feed ( buff , length )
  Copies data to the internal myreader buffer

• myreader:GetReply ( )
  Parses data in the internal buffer, returning the next available redisReply
  Returns nil if no more complete replies found

• myreader:GetReplies ( )
  Suitable for use as an iterator:

	print ( reply )
end```


###fend-redis.construct
This module returns a function that can construct a redis request.

eg, `construct ( "KEYS" , "*" )`

###fend-redis.fifo
Is the fifo library original from [lomp](https://github.com/daurnimator/lomp2/blob/master/fifo.lua)