version 0.5.1
 added oauth_sign_array() function - which allows to modify the parameters
 before siging them.
 fixed url-splitting to url-decode parameters when generating the parameter
 array.

version 0.5.0
 fixed debian package liboauth -> liboauth0
 minor fixes in the manual
 else unchanged it's 0.4.5 after six month of stress tests in production

version 0.4.5
 fixed dependencies in pkgconfig pc.in

version 0.4.4
 libtool interface version number

version 0.4.3
 added oauth_url_unescape()

version 0.4.2
 fixed escaping of PLAINTEXT signature.

version 0.4.1
 added oauth_serialize_url_sep() 
 and OAUTH_VERSION defines in header file.

version 0.4.0
 release on googlecode under MIT license
 and on sourceforge/debian under LGPL

version 0.3.4
 allow to configure MIT only or LGPL licensed code (xmalloc)
 reorganized tests
 removed mixed declarations and code

version 0.3.3
 added Eran's test-cases.
 removing ':80' portnumber from URL before signing
 when splitting URL parameters: use '\001' as request param value as alias for ampersand ('&')

version 0.3.2
 added NULL uri check to oauth_split_post_paramters() 
 testcode comment updates.

version 0.3.1
 added #ifndef _OAUTH_H to header - avoid double include errors
 fixed some typos in the doc.

version 0.3.0
 prefixed all public oauth.h functions with "oauth_"
 added RSA-SHA1 signature support

version 0.2.4
 detect absoluteURI by ":/" (it was /^http/) - used to detect empty abs_path
 added shell escape for (bash like) `sh` to invoke curl/wget
 cleaned up example code and doc a bit.

version 0.2.3
 fixed '?' in GET URL&parameter concatenation
 added cURL HTTP-GET function and test/example code
 test/example code using http://term.ie/oauth/example/ 

version 0.2.2
 fixed "empty HTTP Paths" see http://wiki.oauth.net/TestCases and
 http://groups.google.com/group/oauth/browse_thread/thread/c44b6f061bfd98c?hl=en
 fixed some compiler warnings
 made signature function args 'const char *' 
 and mem-zero some possibly sensitive strings before free()ing them.

version 0.2.1
 prepared for MIT license
 all c sources and headers by Robin Gareus are now MIT licensed.

version 0.2.0
 updated documentation
 fixed configure.ac

version 0.1.3
 removed getpid() on random-number initialization for win.
 moving to sourceforge.

version 0.1.2
 different handlers for POST and GET query string. Get escapes '+' to ' '.
 oauth_sign_url() returns escaped query string.
 added oauth_curl_post_file - preparing for xoauth_body_signature.
 updated test code.

version 0.1.1
 fixed parameter normalization and sorting for some edge cases.
 added Test Cases from http://wiki.oauth.net/TestCases
 added simple HTTP POST using libcurl or a command-line HTTP client.

version 0.1.0
 added xmalloc - removed NULL checks after [re|m|c]alloc.
 libtoolized and prepared packaging.
 fixed a couple of typos
 added a some more documentation.

version 0.0.1
 first public release
 oAuth parameter escape and URL request signing functions.
