Don't forget to delete purify.js on uninstalling

Signed-off-by: Suki <suki@missallsunday.com>

Conflicts:
	package-info.xml

Signed-off-by: Suki <suki@missallsunday.com>
Add purify lib

Signed-off-by: Suki <suki@missallsunday.com>
Add proper credits

Signed-off-by: Suki <suki@missallsunday.com>

Conflicts:
	README.md
	README.txt

Signed-off-by: Suki <suki@missallsunday.com>
Merge pull request #129 from MissAllSunday/security

Security