Add handling for multiEntry in IE10
Add handling for multiEntry in IE10

jayfunk/IDBWrapper,GerHobbelt/IDBWrapper,jensarps/IDBWrapper,rubenstolk/IDBWrapper,safetychanger/IDBWrapper,safetychanger/IDBWrapper,mizchi/idb-wrapper-promisify,jayfunk/IDBWrapper,kilbot/IDBWrapper,rubenstolk/IDBWrapper,jensarps/IDBWrapper,mizchi/idb-wrapper-promisify,kilbot/IDBWrapper