Added test for ostream reporters output.
Small cosmetic cleanup.
Fleshed out assert_reporter_i's docblock.
Added assert handler interface, noop impl.
Implemented equality testing, unit tests, for assert_c.
Small, cosmetic cleanup in ostream assert reporter.
noop_c handler is no longer mistakenly pure virtual.
Small, cosmetic change in debug-lib.hpp.
Small, cosmetic change in test source code location.
Added noop assert reporter.
Implemented asserter, unit tests.
Shelled assert module.