wrapper for the GitHub API


Return an object for the given user, or returns false if the user does not exist

	$this->GithubLib->userInfo('bobbyjoe'); 
	
Return a list of commits for a project by a user. 

	$this->GithubLib->userTimeline('philsturgeon', 'codeigniter-github');
	$this->GithubLib->userTimeline('philsturgeon', 'codeigniter-github', 'branchname');
	
Return a list of repositories matching a search term. Optional 2rd parameter specifies programming language

	$this->GithubLib->search('codeigniter');
	$this->GithubLib->search('codeigniter', 'php');
	
Return a list of the repository info

	$this->GithubLib->repoInfo('philsturgeon', 'codeigniter-github');
	
Return a list of the repository's references

	$this->GithubLib->repoRefs('philsturgeon', 'codeigniter-github', 'tags');
	$this->GithubLib->repoRefs('philsturgeon', 'codeigniter-github', 'branches');
	
Return a list of issues for a project

	$this->GithubLib->projectIssues('philsturgeon', 'codeigniter-github', 'open');
	$this->GithubLib->projectIssues('philsturgeon', 'codeigniter-github', 'closed');