v0.17.1

• added XTESTS_TEST_MULTIBYTE_STRING_SLICE_EQUAL() / XTESTS_TEST_WIDE_STRING_SLICE_EQUAL() macros for testing string slices;
• expected/unexpected exception event messages now include file+line;
• refactoring of implementation;
• tidying up of makefile gripes;
• NOTE: requires STLSoft 1.9.117;
• bundles shwild 0.9.18;