Fix illegal console.error usage in README
Fix illegal console.error usage in README

Passing `console.error` as a standalone function without calling `.bind()` on it first results in an `Illegal invocation` when you eventually call it. I opted instead to just wrap in a function for some of the mobile browsers that still don't implement `Function.bind`
tumocpc/com.tumoc.cordova.beacon,evothings/cordova-plugin-ibeacon,mikaelkindborg/cordova-plugin-ibeacon,petermetz/cordova-plugin-ibeacon,hasandogu/cordova-plugin-ibeacon,mikaelkindborg/cordova-plugin-ibeacon,hasandogu/cordova-plugin-ibeacon,evothings/cordova-plugin-ibeacon,hasandogu/cordova-plugin-ibeacon,mikaelkindborg/cordova-plugin-ibeacon,hasandogu/cordova-plugin-ibeacon,hasandogu/cordova-plugin-ibeacon,tumocpc/com.tumoc.cordova.beacon,tumocpc/com.tumoc.cordova.beacon,tumocpc/com.tumoc.cordova.beacon,petermetz/cordova-plugin-ibeacon,petermetz/cordova-plugin-ibeacon,mikaelkindborg/cordova-plugin-ibeacon,evothings/cordova-plugin-ibeacon,petermetz/cordova-plugin-ibeacon,evothings/cordova-plugin-ibeacon,petermetz/cordova-plugin-ibeacon