* Implement API for adding custom roots via a string. SocketTLSOptions API design needs work, but the IXSocketOpenSSL implementation feels good to me.
* Improve API design for specifying roots from memory.
* Add in-memory root CAs mbedtls implementation.
* Fix bug in newer versions of OpenSSL with in-memory certificate handling.
* (cmake) add a warning about 32/64 conversion problems.
* fix typo
* New connection state for server code + fix OpenSSL double init bug
* update README
* introduce send fragment
* can pass a fin frame
* can send messages which are a perfect multiple of the chunk size
* set fin only for last fragment
* cleanup
* last fragment should be of type CONTINUATION
* Add simple send and receive programs
* speedups receiving + better way to wait for thing
* receive speedup by using linked list of chunks instead of large array
* document bug
* use chunks to receive data
* trailing spaces