fixed all tests

wetb/__init__.py

wetb/dlc/tests/test_high_level.py

wetb/fast/tests/test_fast_io.py

wetb/fast/tests/testfiles/DTU10MW.out

wetb/fast/tests/testfiles/test_binary.outb

wetb/fatigue_tools/rainflowcounting/compile.py

wetb/fatigue_tools/rainflowcounting/rainflowcount.py

wetb/fatigue_tools/rainflowcounting/rfc_hist.py

wetb/fatigue_tools/tests/test_bearing_damage.py

wetb/fatigue_tools/tests/test_fatigue.py

wetb/gtsdf/tests/test_gtsdf.py

wetb/gtsdf/tests/test_unix_time.py

wetb/hawc2/Hawc2io.py

wetb/hawc2/ascii2bin/tests/Hawc2ascii.dat

wetb/hawc2/ascii2bin/tests/Hawc2ascii.sel

wetb/hawc2/ascii2bin/tests/Hawc2ascii_bin.dat

wetb/hawc2/ascii2bin/tests/Hawc2ascii_bin.sel

wetb/hawc2/ascii2bin/tests/Hawc2bin.dat

wetb/hawc2/ascii2bin/tests/Hawc2bin.sel

wetb/hawc2/ascii2bin/tests/test_ascii2bin.py