lock mutex around login
clear xml context correctly on 401
change how xml context is reset on re-auth
improve retry logic, fix multithreading problems
don't verify peer on auth.. TODO: make that an option
even unsafer ssl options...
Clean up C code, remove nested functions

Allows building in non-gcc compilers (read: clang)
Implement rename using the Copy object functionality
Merge pull request #19 from ncw/rename

Implement rename using the Copy object functionality
add contributors to README
protect directories from rename
Merge pull request #14 from dillona/master

Clean up C to allow clang compilation
arrange code back to my preference ;)
remove deprecated, unneeded include

libcurl removed this header completely (it hasn't used it for ~7 years)
add openssl to the configure discovery
regenerate configure
make Makefile obey DESTDIR
Merge pull request #23 from novas0x2a/master

Three small things
Only include <alloca.h> for Linux (Certainly not for NetBSD)
Merge pull request #26 from abs0/556b8873

alloca.h is a non standard header