testBLE_uart sketch fails to compile

I've submitted issue #17 for this.

The sketch contains an stl::string variable.

The issue is the String to stl::string conversion.

This is the first I've a seen a reference to an STL string in the codebase. There are other stl object in teh libraries, I believe, but not string.

If string can be used then so can vector and I'd dearly love to get that in.

Addendum: This issue was resolved by the changes 5be1d6b

Thanks