proptable in database java file

make get and put proptable method
for debug

i can't sync by using github
Merge remote-tracking branch 'origin/master'

Conflicts:
	Comp4321_Yeung_Cheng_Julie/bin/Crawler.class
	Comp4321_Yeung_Cheng_Julie/src/Crawler.java
	Comp4321_Yeung_Cheng_Julie/src/database.java