fix: static set messages

Merge pull request #11 from hekmatinasser/8.x

fix: static set messages

8.2

resolve datetime
improve calculate difference

fix diff months

v8.1.7

fix bug diff months test

fix transform to datetime

v8.1.5

fix transform to datetime

fix bug change date to Gregorian datetime

v8.1.1

fix bug change date to gregorian datetime

add jalali resolver date

v8.1

fix php version

fix parse format persian and arabic number

v8.1.3

fix readme

fix bug now

v8.1.2

fix readme

release 8

v8.0

Fix styling