reorganized the fatigue module

README.md

wetb/fatigue_tools/fatigue.py

wetb/fatigue_tools/rainflowcounting/__init__.py

wetb/fatigue_tools/rainflowcounting/compile.py

wetb/fatigue_tools/rainflowcounting/pair_range.py

wetb/fatigue_tools/rainflowcounting/pair_range.pyd

wetb/fatigue_tools/rainflowcounting/peak_trough.py

wetb/fatigue_tools/rainflowcounting/peak_trough.pyd

wetb/fatigue_tools/rainflowcounting/rainflowcount.py

wetb/fatigue_tools/rainflowcounting/rainflowcount_astm.py

wetb/fatigue_tools/rainflowcounting/rainflowcount_astm.pyd

wetb/fatigue_tools/rainflowcounting/rfc_hist.py