Updating list of tracking code identifiers

Add new tracking code prefix.
Create new test to new tracking code identifier,
Update module version
Update MANIFEST with last test file created.
Fixing Changes
Fix the use of variable in tests
Adding description to cases where value from keys returned are 'DESCONHECIDO'.

Now, the return will be 'DESCONHECIDO (key)'.
Removing creation of variable if it's in context yet.
Merge pull request #6 from JacAbreu/inclusao-novo-prefixo-codigo-rastreamento

Updating list of tracking code identifiers