Sending file with new Erlang 15B function [Not for merging]

CHANGELOG.md

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+# CHANGELOG
+
+### 0.9:
+ * added SESSIONS state, persistent across requests
+ * added access log callback function, so that main application can log HTTP access
+ * added streaming input for big files or endless input, using a manual ```body_recv function``` in conjunction with the ```{auto_recv_body, false}``` option
+ * added static directory support, so that GET requests to /static/* can automatically send files from a specified directory (thanks to egobrain suggestion)
+ * added request redirection helper method
+ * consistently improved memory usage by not copying by default to handler processes the full request or websocket record
+ * added configuration option to set which websocket versions must be supported by the server
+ * added support for websocket draft-hybi-10
+ * added support for websocket draft-hybi-17 (thanks to RJ)
+ * added support for websockets on FireFox (thanks to Egobrain)
+ * added support for 'If-Modified-Since' headers in file sending (thanks to davidgaleano)
+ * added support for websockets when behind stunnel with ```{external_ssl, boolean()}``` option (thanks to RJ)
+ * added support to see the correct client IP when behind stunnel, according to http://haproxy.1wt.eu/download/1.5/doc/proxy-protocol.txt (thanks to RJ)
+ * added support for OPTIONS method (thanks to majek)
+ * rebar-ized makefile
+ * corrected minor bugs (thank you all - you know who you are!)
+
+### 0.8:
+ * Misultin has been redesigned to use supervisor behaviours where appropriate, to be more OTP compliant
+ * added Cookie support
+ * added preliminary support multipart/form-data and a file upload example (thanks to Max Lapshin)
+ * added Date and Server headers
+ * added support for headers being specified as binaries (thanks to akaspin)
+ * added an example on how to properly embed misultin in your application
+ * ```Req:get(peer_addr)``` now properly extracts peer information from headers "X-Real-Ip" or "X-Forwarded-For" if these are available (thanks to Max Lapshin)
+ * solved bug on large data being sent over via websockets (thanks to omarkj)
+ * corrected binary sending bug in websockets which would fail binaries on io_lib format (thanks to normanb)
+ * added recbuf advanced option (issue #40)
+ * added preliminary test suite
+ * various optimizations using binary when needed
+
+### 0.7.1:
+ * considerably improved stability under heavy load
+ * misultin now accepts incoming connections with a pool of acceptors instead of a single one
+ * Misultin can now be used both with parametrized modules and with pure erlang code too (thanks to yrashk, nox and essen)
+ * added support for HEAD, PUT, DELETE, TRACE and CONNECT methods
+ * now websockets are on ```{active, once}``` mode to avoid malicious clients overflooding (thanks to essen)
+ * ensured that body of request can be read on all methods except TRACE as per http specs
+ * added support for iolist() in chunked resposes (thanks to RJ)
+
+### 0.7:
+ * added ```max_connections options``` parameter, which specifies maximum concurrent open connections accepted by the server
+ * added ```post_max_size``` options parameter, which sets the maximum size of POST data
+ * added ```get_url_max_size``` options parameter, which sets the maximum length of URI
+ * added CHUNKED support, both for incoming requests and outgoing responses (thanks to yrashk suggestion)
+ * added trapping of client closing a browser in Comet applications (thanks to yrashk)
+ * added SSL support for websockets (enhancement track #25, thanks to viplifes)
+ * Misultin can now be started without a registered name or with a different name, so that multiple versions of misultin can be started on a single node
+ * added support for IP address specified in tuple format (thanks to okeuday suggestion)
+ * added support to extract plain uri unquoted as a list() (thanks to okeuday)
+ * added Comet Long Polling example
+ * added Comet iFrame example
+ * added the killing of alive processes on server shutdown
+ * the GET uri parameters are now also available on POST requests
+ * added custom headers on file sending to browser (thanks to josevalim)
+ * additional minor adjustments
+
+### 0.6.2:
+ * refactored to considerably improve sending of static files
+ * minor bug corrections
+
+### 0.6.1:
+ * added support to websocket protocol hixie draft 76 (thanks to sergio veiga)
+ * added support to multiple websocket draft protocols (for backwards compatibility)
+ * added ```ws_autoexit option``` which allows to get an event on websocket controlling processes (issue track #15, suggestion of esente)
+ * added headers also in misultin websockets (thanks to jlirochon)
+ * made it basho's rebar friendly (thanks to mrinalwadhwa)
+
+### 0.6:
+ * added HTTP compression option
+ * refactoring of the main server loop, so that it is now isolated from the HTTP functionality
+ * removed unnecessary compilation warnings
+ * replaced ```proplists:get_value``` with much faster utility function
+
+### 0.5:
+ * added SSL support
+ * refactoring of the acceptor loop
+
+### 0.4:
+ * added preliminary websocket support
+
+### 0.3.4:
+ * added Req support to return the socket handling the request
+ * bug correction on Content-Length: 0 header causing timeout on POST requests (issue track #12, thanks to gdamjan)
+
+### 0.3.3:
+ * added echoing of the Connection header (issue track #7, thanks to thijsterlouw)
+ * bug correction on acceptor respawning (issue track #10, thanks to thijsterlouw)
+
+### 0.3.2:
+ * optimized error handling (issue track #5, thanks to Max Lapshin)
+
+### 0.3.1:
+ * added flow control using inet options {active, once} (issue track #4, thanks to Max Lapshin)
+ * added support to standard http headers response
+ * added http 400 bad request error in socket handling
+ * bug correction: removed erroneous sending of response timeout on listening open connections
+ * added stream_support optimization option
+
+### 0.3:
+ * reengineering of the listener process, using active instead of passive mode in request parsing, except for BODY where passive is still used (thanks to Lev Walkin)
+ * added better support for request timeout
+
+### 0.2.2:
+ * added .app file (thanks to Essien Ita Essien)
+ * simplified get_options (thanks to Essien Ita Essien)
+ * added ip address option (thanks to Essien Ita Essien)
+ * added ipv6 support
+ * added ```recv_timeout``` option
+ * bug correction: requests peer address and port are now not reset on open connections multiple requests
+
+### 0.2.1:
+ * added support for Content-Type that specifies charset in POST data (thanks to Tuncer Ayaz)
+ * added support for iolist in ```misultin_req:ok/1,2``` and ```misultin_req:respond/2,3```
+ * code optimized taking out unnecessary binary conversion and lists:flatten (thanks to Feng Yu)
+
+### 0.2:
+ * added trap exit for acceptor failure
+ * added backlog option
+ * added fallback if no connection header is present (issue track #1, thanks to Ciconia)
+ * added limit for parsing headers to avoid malicious attacks (thanks to Mazen Harake)
+ * minor bug corrections
+
+### 0.1:
+ * initial release.
+