bumped version to 0.1.8.
bumped version to 0.1.7 and also claims that we work with 1.4.4.
documented that the last tested nginx release in the 1.2.x series is …
updated docs to reflect recent changes.
fixed timeout settings in the keepalive test cases.
bugfix: fixed all the warnings from the clang static analyzer.
allow use of the DDEBUG macro from the outside (via the "-D DDEBUG=1"…
… cc opton).