code: function getLibraryPromise(oChainObject) {
  		return new Promise(function(oResolve) {
  			fs.readFile(oChainObject.libraryFile, 'utf8', (oError, oData) => {
  				oChainObject.libraryFileData = oData;
  				oResolve(oChainObject);
  			});
  		});
  	}
docs: Load .library file
  @param oChainObject chain return object
  @returns {Promise} library file promise