split utils, added manual tests

test/test-config.json

@@ -0,0 +1,28 @@
+{
+  "__comment": [
+    "workers: number of parallel processes. single long upload reserves a process.",
+    "timeout: seconds for process to last. single long upload cant take longer than this.",
+    "uid: Docker runs as root, this changes owner of written files. -1 to skip chowning",
+    "max_zip_size: dont allow zip downloads if folder size exceeds this many megabytes",
+    "app_secret_key: used to encrypt session cookie"
+  ],
+  "public_url": "http://localhost:8080",
+  "site_name": "testsite",
+  "notifier": "",
+  "workers": 3,
+  "timeout": 3600,
+  "uid": 1000,
+  "gid": -1,
+  "timezone": "Europe/Helsinki",
+  "__do_not_edit": "most likely you will not change anything after this line",
+  "data_folder": "data",
+  "version_folder": "_version",
+  "shares_file": "data/shares.json",
+  "log_file": "data/flees.log",
+  "zip_folder": "data/.zip",
+  "max_zip_size": 1000,
+  "date_format": "%Y-%m-%d %H:%M",
+  "app_secret_key": "Cz2dw5NiRt3PSMFBSLTAJJi7U2CdW7iPQqEeOaU6",
+  "debug": true
+}
+