Some of the .py scripts are still 'executable'

[tseemann]

Need to chmod -x *.py as they aren't directly runnable (no #! line).

[nicsilvester]

Thanks for bringing this to our attention. Originally the scripts were to be directly runnable but the decision was made against this so we didn't have to worry about the location of the python installation on the local computers. Looks like I forgot to change the file permissions when I removed the #! line.
We'll make this change in the next commit.

[tseemann]

Thank you.

[nicsilvester]

Added into latest commit. Will be in next release: v1.3