Replace method's string with enum
Replace status's int with enum
Use Method.valueOf(String string)
[Core] Add request properties to context
[Core] Rename Context to HttpContext
[Core] Rename Method to HttpMethod
[Core] Rename Status to HttpStatus
[Core] Allow to subclass HttpContext
[Core] Use request's URI instead of URL
[Core] Add response properties to HttpContext
[Core] Remove unused import
typo
[Caching] typo
[Core] Make `uri` and `method` final
[Core] Add initial implementation of HttpHeaders class
Merge branch 'http-context'