lib/twitter.js
function uriEncodeParams( obj ){
    var pairs = [], key;
    for( key in obj ){
        pairs.push( uriEncodeString(key) +'='+ uriEncodeString(obj[key]) );
    }
    return pairs.join('&');
}
function uriEncodeParams( obj ){
    var pairs = [], key;
    for( key in obj ){
        pairs.push( uriEncodeString(key) +'='+ uriEncodeString(obj[key]) );
    }
    return pairs.join('&');
}
function uriEncodeParams ( obj ) { var pairs = [ ] , key ; for ( key in obj ) { pairs . push ( uriEncodeString ( key ) + '=' + uriEncodeString ( obj [ key ] ) ) ; } return pairs . join ( '&' ) ; }
OAuth safe encodeURIComponent of params object
OAuth safe encodeURIComponent of params object