In binaries with a large number of flags of the same name, like in macho
with many relocs to the same symbol, using an incremental number as
suffix to generate unique flag names leads to quadratic runtime. We can
avoid this by first trying to append the address, which as a nice side
effect also results in more meaningful names.
* Disable colors on Windows because terminal looks bad otherwise
* Use environment on Windows to set PATH and make sure unit tests use
the compiled libraries and not the installed ones
* Define ssize_t on Windows as well by using SSIZE_T
Update test_analysis_block.c
Update test_intervaltree.c
Update test_unum.c
