Titanium 1.7.5 and underscore.string.js

gistfile1.js

// (Starting line 446)
// CommonJS module is defined
if (typeof module !== 'undefined' && module.exports) {
    // Export module
    module.exports = _s;

// Added: Support Titanium's CommonJS implementation)
} else if (typeof exports !== 'undefined' && exports) {
    exports._s = _s;      
  
// Integrate with Underscore.js
} else if (typeof root._ !== 'undefined') {
    root._.mixin(_s);

// Or define it
} else {
    root._ = _s;
}