Log Message:
Update to 0.1.2, provided by Blair Sadewitz in private mail:

Serf 0.1.2 [2007-6-18, r1114]
  Enable thread-safety with OpenSSL (Issue 19)
  Teach serfmake to install headers into include/serf-0.
  Be more tolerant when servers close the connection without telling us.
  Do not open the connection until we have requests to deliver.
  Fix serfmake to produce the library that corresponds to the minor version.
  Fix a memory leak with the socket bucket (Issue 14)
  Fix uninitialized branch in serf_spider (Issue 15)

Serf 0.1.1 [2007-5-12, r1105]
  Add SSL client certificate support
  Implement optimized iovec reads for header buckets
  Fix up 'make clean' and 'make distclean' (Issues 9, 10)
  Add SERF_VERSION_AT_LEAST macro
  Remove abort() calls (Issue 13)