In the future, you should report bugs in the bug report thread, not here.
To address your issues, though:
1. The virgin MILF, equipment problems, and traits not being applied correctly are a known issues
2. Items are user-editable, so if you don't like the way the Stone of Happiness works, then edit it in WMEditor.exe (find newest version
here). I don't believe that there is any way in the current item system to lock any stat or skill at a particular value, so the description is wrong, but it isn't a bug.
3. You can find out what the various traits are
supposed to do (if they were working properly)
here.
4. The French keyboard problem is probably a bug, and should be reported in bug reports.
5. Rape frequency is controlled by the config.xml file located in the [Whore Master's root directory]\Resources\ directory. Open the file in any text editor or coding tool and scroll to the bottom. The value given is the base percent chance that each customer will try to rape one of your girls. The 1.29.4.6 release had the config file set to a 100% chance by mistake, so you should either change it manually or download the fixed config file (posted above by DocClox,
here).