# OoO RequestIdBase
A contract used by ConsumerBase and Router to generate requestIds
# Functions:
# Function makeRequestId(address _dataConsumer, address _dataProvider, address _router, uint256 _requestNonce, bytes32 _data) internal -> bytes32
 makeRequestId generates a requestId
# Parameters:
- _dataConsumer: address of consumer contract
- _dataProvider: address of provider
- _router: address of Router contract
- _requestNonce: uint256 request nonce
- _data: bytes32 hex encoded data endpoint
# Return Values:
- bytes32 requestId
