Added pure function to check for a varName and to throw an exception if one is not provided. Updated `store` functions that require a varName to use this function. Fixes a bug where the commands hang when no varName argument is provided
Added pure function to check for a varName and to throw an exception if one is not provided. Updated `store` functions that require a varName to use this function. Fixes a bug where the commands hang when no varName argument is provided

SeleniumHQ/selenium-ide,SeleniumHQ/selenium-ide,SeleniumHQ/selenium-ide