v1.0.9

fix diff period

v1.0.8

add diff period

v1.0.7

add toPeriod

v1.0.6

add the seed command

v1.0.5

fix command

v1.0.4

fix config

v1.0.3

fix command

v1.0.2

add down to migration

v1.0.1

flexible definition

v1.0.0

start readme