#174 GitHubClient (wip)
#174 GitHubClient - fetching issues
#174 Getting the list of issues
#174 Getting the list of issues - correction of errors
#174 Getting the list of issues - HTML URL
#174 Getting the list of issues - basic list
#174 Getting the list of issues - links to the assignee and the milestone
#174 Getting the list of issues - labels
#174 Getting the list of issues - states