erlang utils repo
add to_iolist
fix hm_misc:to_iolist
add list in op
add some binary tools
add id generate server to generate k-order id
add sql_tools
add sql tools
add some tools
sql_tools update
add gen_id/0 in hm_id_server
fix bug in hm_id_server
set epoch to 2013-1-1 0:0:0
delete hm_id_server
split tool and delete rubbish
delete some files
merge