fix a bug when no people found
finish yoo
Merge pull request #38 from sjtug/chase

yoo is so boring :(
fix scroll bug
Merge pull request #39 from sjtug/chase

fix scroll bug
some of bookview
richer bookview
Merge pull request #40 from Nihiue/master

NearByView finished.
Merge pull request #41 from phil5/master

richer bookview
fetchBook with timeout.