| ⇢ | A | ConfigurationException added | |
| ⇢ | A | RouterException added | |
| A | ↛ | ConfigurationException removed |
| ⇢ | A | ConfigurationException::missingKey() added | |
| ⇢ | A | ConfigurationException::missingSubkey() added | |
| ⇢ | A | ConfigurationException::missingImportedFile() added | |
| ⇢ | A | RouterException::noRouteExists() added | |
| ⇢ | A | RouterException::nonExistentRoute() added | |
| A | ↛ | ConfigurationException::missingKey() removed | |
| A | ↛ | ConfigurationException::missingSubkey() removed | |
| A | ↛ | ConfigurationException::missingImportedFile() removed |