RTEMS tools invalid version file

[Heinz Junkes]

The patch from Amar works for me.

This is quick since it's late but the issue I ran into is in 

 rtemstoolkit/version.py

In line 174: -- if that's the latest

 _revision = int(''.join(itertools.takewhile(str.isdigit, rev)))

Depending on the version of Python you are running 'rev' can be unicode() or 
str().  The operation being run is not valid for unicode.

The fix I did to solve this issue was to coerce it to str()

_revision = int(''.join(itertools.takewhile(str.isdigit, str(rev))))

This should be harmless since the value is always a string anyway so no data 
will ever be lost.

Thanks a lot for your great and fast support.

Heinz

> 
> Amar mentioned something about this in a chat the other day and I have not
> chased it up.
> 


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