Version 0.4.0a14

* Added `stream.standard-input`
* Added `stream.standard-output`
* Added `stream.standard-error`
* Added `stream.create`
* Added `stream.length`
* Added `stream.read-octet`
* Added `stream.read-octets`
* Added `stream.read-all-octets`
* Added `stream.read-character`
* Added `stream.read-characters`
* Added `stream.read-all-characters`
* Added `stream.read-line`
* Added `stream.read-lines`
* Added `stream.read-all-lines`
* Added `stream.read-object`
* Added `stream.read-objects`
* Added `stream.read-all-objects`