Updated Shotgun API to v3.0.34 and bug fixes

Updated Shotgun API to v3.0.34 and better URL parsing and validation at
login.

Author: mathurf

core/core_api.yml

@@ -14,4 +14,4 @@
 location:
   type: app_store
   name: tk-core
-  version: v0.18.106
+  version: v0.18.107