impl addComponent

1.10.3

Merge branch 'feature/component' into develop

implement addWatcher

merge from #60

fixed #57

fixed #57 from pr #59

Allow to assign issues

merge from #56

Added logic to check whether the parameter is an array or a string.

• Added logic to check whether the parameter is an array or a string IssueService::addAttachments.
• Merge from #55

add project type functions

Merged from #54

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)