Add All value to the ItemState enum of the IssueRequest class
Add integration test for retrieving all issues.
Removed duplicated integration tests for IssuesClient. Closes #551
Merge pull request #552 from MitjaBezensek/MergeTwoTests

Removed duplicated integration tests for IssuesClient. Closes #551
Merge pull request #550 from MitjaBezensek/Issue517

Fixed the problem with ItemState enum
Add a few missing team and organization APIs
Add UT
Add observable methods
Fix small compilation error
Add missing observable methods
Rename parameter
Merge pull request #553 from andrerod/master

Add a few missing team and organization APIs
Remove trailing slash in ApiUrl
Merge pull request #555 from matt-gibbs/ApiUrls-fix

Remove trailing slash in ApiUrl that causes get of /team/{id]/repos to fail
:lipstick:
Merge pull request #556 from hahmed/fix-trailing-hash

Fixed the trailing hash