Updated missing "="

This was causing arduino ide's 1.0.1 and 1.5.2 to see these declarations as functions.
Updated length to correct type "uint32_t" not int
Updated length to correct type "uint32_t" not int
Merge pull request #1 from RWSDev/master

Small updates to work with arduino ide 1.0.1 and 1.5.2 small code errors