update jsonmapper.

merge from #52

fixed undefined variable bug.

fixed #51

support custom field

fixed #16 , #49

bug fix release

• FIX Custom fields not added to issue (#48)
• FIX Priority field nullable(#45)

to moved var-dumper from 'require' to 'require-dev'

1.8.2

to move vardumper to require-dev section

added new method editWorklog().

1.8.1

fixed #40

added user releated feature.

1.8.0

updated class serialize trit.

add trait for class to array or string

1.7.4

added ClassSerialize trait for toArray(), toString() method.

add worklog in issue

1.7.3

update readme, add test case.

fixed phpdoc bug

1.7.2

fixed #35