fixed non-blocking reads, fixed ssl sessions, in_addr_t and more non-blocking

                               History of Changes

Daniel (14 January 2002)

- I made all socket reads (recv) handle EWOULDBLOCK. I hope nicely. Now we

  only need to address all writes (send) too and then I'm ready for another

  pre-release...

- Stoned Elipot patched the in_addr_t configure test to make it work better on

  more platforms.

Daniel (9 January 2002)

- Cris Bailiff found out that filling up curl's SSL session cache caused a

  crash!

- Posted the curl questionnaire on the web site. If you haven't posted your

  opinions there yet, go there and do it now while it is still there:

        http://curl.haxx.se/q/

- Georg Horn quickly found out that the SSL reading no longer worked as

  supposed since the switch to non-blocking sockets. I've made a quick patch

  (for reading only) but we should improve it even further.

Version 7.9.3-pre1

Daniel (7 January 2002)

- I made the 'bool' typedef use an "unsigned char". It makes it the same on

  all platforms, no matter what the platform thinks the default format for