A string class is always useful, it's probably best to get one in place sooner than later.
Since I'm a fan of UUID as a primary key value we will start by adding a uuid method I found in the PHP manual.
Added String methods for creating entropy, psuedo-strings and salt values.
- These aare needed at least once in most projects I work on, jasonsnider.com has a few pages dependent upon these, so I will add them now.
Fixed a broken namespace.
Added uuid length test