Cred helper: load token, token support. RepoTool: timeout

Signed-off-by: Václav Valíček <valicek1994@gmail.com>

repo_cloner/lib/__init__.py

@@ -1,5 +1,5 @@
 from .checksum import gen_repo_hashed_name
-from .cred_helper import prepare_git_auth
+from .cred_helper import prepare_git_auth, init_gh_token
 from .cloner_config import ClonerConfig, ClonerConfigParser
 from .config_file_not_found_error import ConfigFileNotFoundError
 from .default_cloner_config import DefaultClonerConfig