Added only the dmochinum dependency.
Merge pull request #7 from SemanticSugar/addmochinum

Added only the dmochinum dependency.
Removed timer dependency.
Revert "Removed timer dependency."

This reverts commit fe220d7c91eb9fccb83e035c52fd4cc7a9afff5a.
"Removed timer dependency."
Merge pull request #8 from SemanticSugar/remove_timer

Remove timer
Added missing dependencies
Update Makefile
add initial imds module (metadata service querying)
add dinerl:setup/1, which accepts only the Zone argument, and obtains security token data from the instance metadata service
update imds:get_session_token/0 to have same return types as iam:get_session_token/2
wrap calls to lhttpc:request in catch() and increase timeout to match iam module
refactor some common imds request functionality, adjust function names & exports, implement request retries, and add new zone/0 export
add dinerl:setup/0, which uses the zone obtained from the local instance metadata server
update readme to reflect new IMDS functionality
fix non-use of Timeout param
fix call_with_retry usage
fix exports
convert token values to lists
update testcase