basic streams, geodist, 128bit

• added XRANGE/XREVRANGE, XADD, and XLEN (thanks @skateinmars)
• added GEODIST
• improved precision for geohashes, closer to what real redis does
• use 128bit floats internally for INCRBYFLOAT and related (thanks @timnd)

Expose the Server

added Server(), to add custom commands

GEO

• added UNLINK
• fix DEL zero-argument case
• cleanup some direct access commands
• added GEOADD, GEOPOS, GEORADIUS, and GEORADIUS_RO

thanks for fixes!

bug fixes

• fix issue with ZRANGEBYLEX
• fix issue with BRPOPLPUSH and direct access

psubscribe, seed, redigo import

• proper import of github.com/gomodule/redigo
• fix messages generated by PSUBSCRIBE
• optional internal seed

proper v2 go.mod

Thanks @elliotchance

SWAPDB

Added support for SWAPDB

Thanks @linuxfreak003!

#75
#76

PUBSUB

SUBSCRIBE and PUBLISH and related commands

2.4.4

Fix #43 about Lua 'call()' return values.

Lua auth fix

See #39