waptscanpackages :  improve reporting
threading issue when logging output of setup to wapt sqlite database
OLE issue when Wapt class instanced from non main threads
upgreadable() includes per default packages at right version but with install_status == error
added pragma to http get to ask proxies not to return cached data
improved uninstall_cmd parsing when spaces in executable path
improved reporting when signature of package fails
improve custom installer ease of development : automatic package register in windows registry and package unregister from windows registry when no uninstall_key is provided but an uninstall() function is defined in setup.py
if package install_status == ERROR and try tp remove it, force the removal even if no uninstallkey is provided
bugfix reporting of wapt_status to waptserver
allow to edit package in temporary location for waptconsole

helpers :
added arguments for the creation of shortcuts
run take additional parameter accept_returnstatus to not raise exception if called program returns one of these codes

better reporting when wapt processes are running