Made ByteExec use static filename

[oxtoacart]

We need this so that we can set permanent firewall rules in Windows based on the file's name and location.

[coveralls]

Coverage increased (+3.83%) when pulling 5978b0e on 1606 into 8b99164 on master.

[oxtoacart]

@atavism FYI

[coveralls]

Coverage increased (+5.1%) when pulling 7b1b9bc on 1606 into 8b99164 on master.

[coveralls]

Coverage increased (+3.82%) when pulling 039dd2b on 1606 into 8b99164 on master.

[coveralls]

Coverage increased (+3.82%) when pulling 039dd2b on 1606 into 8b99164 on master.

[coveralls]

Coverage increased (+3.82%) when pulling f7146dc on 1606 into 8b99164 on master.

[coveralls]

Coverage increased (+3.82%) when pulling a9cc082 on 1606 into 8b99164 on master.

[coveralls]

Coverage increased (+3.82%) when pulling a9cc082 on 1606 into 8b99164 on master.

[coveralls]

Coverage increased (+4.28%) when pulling 7285503 on 1606 into 8b99164 on master.

[coveralls]

Coverage increased (+5.1%) when pulling 72d1d5f on 1606 into 8b99164 on master.

[myleshorton]

Thanks for the heads up @jbenet! Merged now.

[jbenet]

Thanks @myleshorton!