use autoload
move entry point to EbisuConnection module
support to specify port number
wipe out slave_types. use slave_group instead
delete unnecessary methods
separated GreatestCommonDivisor
separate Slave
erase dust
add first spec
add gcd spec
add Slave spec
add SlaveGroup spec
README edit
fix bug when undefined config
Merge pull request #1 from tsukasaoishi/multiple

Multiple