message: feat(utils-general): added createFilter method
  createFilter method to create the default filter options
diff: import Web3 from 'web3';
  import { TransactionConfig, TransactionReceipt } from 'web3-core';
  -import { Contract } from 'web3-eth-contract';
  +import { Contract, PastEventOptions } from 'web3-eth-contract';
  export declare interface ISpecialTx extends TransactionConfig {
  privateKey?: string;
  @@ -171,4 +171,8 @@ export class GeneralFunctions {
  privateKey: parameters.privateKey ? parameters.privateKey : ''
  };
  }
  +
  + createFilter(eventFilter?: PastEventOptions) {
  + return Object.assign({ fromBlock: 0, toBlock: 'latest' }, eventFilter || {});
  + }
  }
  