duplex test: 64 bit compatibility

Merge of ALSA underrun warning fix.

Merge of OS-X closeStream() fix to remove property listener.

Trying to merge OS-X closeStream() update.

This change was necessary to prevent BAD ACCESS when compiling on 64 bit OSX

Fixes for WASAPI / ASIO

Static analysis fixes

Fix for NULL options in PULSE audio backend in probeDeviceOpen

Fix calloc-free mismatch

Add algorithm header include

The check if ( subdevice != -1 ) was being done on a potentially
uninitialized variable.

Use free() for allocated memory by calloc (not delete).
Deleting calloc-ed memory will become problem in the environment which
overrides global "operator delete" like some game engine.

Without algorithm header, Visual Studio complaints that std::max is not
declared and defined.
Including algorithm header resolves this issue.

Checking for pulseaudio on Debian

Fix choppy audio on input only mode (WASAPI)

Fix WASAPI shutdown crash

Add CMake buildfile.