Make streamed chunk size configurable

Defaults to a maximum of 1000000 bytes.

Also standardize the te_identity and te_chunked decoding functions.
Now they both try to read as much as possible (up to the limit),
making body reading much faster when not using chunked encoding.

1 files changed, 2 insertions, 1 deletions

diff --git a/guide/req.md b/guide/req.md
index e13d3a5..8fd854a 100644
--- a/guide/req.md
+++ b/guide/req.md
@@ -94,7 +94,8 @@ If you know the request contains a body, and that it is
 of appropriate size, then you can read it directly with
 either `body/1` or `body_qs/1`. Otherwise, you will want
 to stream it with `stream_body/1` and `skip_body/1`, with
-the streaming process optionally initialized using `init_stream/4`.
+the streaming process optionally initialized using `init_stream/4`
+or `init_stream/5`.
 
 Multipart request body
 ----------------------