change timezone default

v1.8.8

fixbug timezone default

fixbug timezone in now function

v1.8.7

fix bug timezone in now function

fixbug addmonths

v1.8.6

fixbug add months

fixbug today

v1.8.5

fix bug today

change docs

v1.8.4

change docs

add parse format

v1.8.3

add parse format

remove requied support

v1.8.2

remove required

add doc fa

v1.8.1

add doc fa

add fomat word

v1.8

add format word

change formatDiffrence and perdefine format

v1.7.2

change diffrent format and predefine format