lib/utilities.js
function isUrl (obj) {
    if(isString(obj)){
        if((obj.indexOf('http://') > -1 || obj.indexOf('https://') > -1) 
        	&& obj.indexOf('.') > -1)
        	return true
        else
        	return false
    }else{
        return false;
    }
}
function isUrl (obj) {
    if(isString(obj)){
        if((obj.indexOf('http://') > -1 || obj.indexOf('https://') > -1) 
        	&& obj.indexOf('.') > -1)
        	return true
        else
        	return false
    }else{
        return false;
    }
}
function isUrl ( obj ) { if ( isString ( obj ) ) { if ( ( obj . indexOf ( 'http://' ) > - 1 || obj . indexOf ( 'https://' ) > - 1 ) && obj . indexOf ( '.' ) > - 1 ) return true else return false } else { return false ; } }
is an object a URL - very simple version
is an object a URL - very simple version