This enables the test suite to build with the -property switch enabled.
std.cpuid: vendor()/processor() have not been converted to properties in accordance to core.cpuid.
std.xml: Element.text() cannot be a property due to the optional parameter.
-- add std.getopt
-- add std.variant
-- switch strings over to be invariant rather than const
-- hopefully the last big linux makefile overhaul
-- fix for bug 1579: write[ln] fails for obj.toString()
-- fix negative precision handling in std.format
-- add some file and directory iterator helpers
-- among other little changes here and there...