fix route slug regex and add test suite.

Author: Bewinxed

.gitignore

@@ -30,3 +30,4 @@ pip-delete-this-directory.txt
 .cache
 nosetests.xml
 coverage.xml
+.env

.python-version

@@ -0,0 +1 @@
+3.10

.vscode/settings.json

@@ -0,0 +1,4 @@
+{
+    "python.analysis.autoImportCompletions": true,
+    "python.analysis.typeCheckingMode": "basic"
+}