Make add_item() not verbose
Make add_item() not verbose

Change-Id: I08afbecdd6d7521919679134137c3b8d45448cd1

LongbinChen/annoy,guitarmind/annoy,pombredanne/annoy,spotify/annoy,subu-cliqz/annoy,LongbinChen/annoy,LongbinChen/annoy2,BeifeiZhou/annoy,LongbinChen/annoy,codeaudit/annoy,BeifeiZhou/annoy,LongbinChen/annoy2,pombredanne/annoy,guitarmind/annoy,eddelbuettel/annoy,BeifeiZhou/annoy,eddelbuettel/annoy,guitarmind/annoy,tjrileywisc/annoy,pombredanne/annoy,tjrileywisc/annoy,subu-cliqz/annoy,pombredanne/annoy,subu-cliqz/annoy,subu-cliqz/annoy,codeaudit/annoy,spotify/annoy,Houzz/annoy2,codeaudit/annoy,tjrileywisc/annoy,eddelbuettel/annoy,LongbinChen/annoy2,tjrileywisc/annoy,spotify/annoy,eddelbuettel/annoy,Houzz/annoy2,Houzz/annoy2,spotify/annoy