Properly parse request headers, use trim for leading whitespace

test/test_proxy.py

@@ -0,0 +1,9 @@
+import requests
+
+# TODO - Make this configurable based on config file test section.
+http_proxy = "http://127.0.0.1:8124"
+
+def test_proxy_basic():
+    resp = requests.get("http://google.com", proxies={"http": http_proxy})
+    
+