TransferHelper
Contains helper methods for interacting with ERC20 tokens that do not consistently return true/false
Functions#
safeTransfer#
  function safeTransfer(    address token,    address to,    uint256 value  ) internalTransfers tokens from msg.sender to a recipient
Calls transfer on token contract, errors with TF if transfer fails
Parameters:#
| Name | Type | Description | 
|---|---|---|
| token | address | The contract address of the token which will be transferred | 
| to | address | The recipient of the transfer | 
| value | uint256 | The value of the transfer |