Better tracking of packaging format; update test case to not have the distributed private be present in the repo directory

.gitignore

@@ -2,7 +2,7 @@ aether
 aether.pub
 aether.tar.gz
 nodeslist
-*.tar.xz
+*.tar.zst
 pkg/
 src/
 **/__pycache__

tests/test_units.py

@@ -5,7 +5,7 @@ import subprocess
 # TODO Still need to devise a testing strategy (https://foundation.aninix.net/AniNIX/Aether/issues/1)
 def test_aether():
     print(os.getcwd())
-    fh = os.popen("echo bye | timeout 3 sftp -o IdentityFile=./aether aether@aninix.net", mode='r', buffering=-1)
+    fh = os.popen("echo bye | timeout 3 sudo sftp -o IdentityFile=/home/aether/.ssh/aether aether@aninix.net", mode='r', buffering=-1)
     output = fh.read()
     retcode = fh.close()
     assert retcode == None