DataInput2: improve byte[] get.
DataInput2: improve byte[] get.

morfeo8marc/mapdb,olupas/MapDB,mebigfatguy/mapdb,lamfire/mapdb,pettermahlen/mapdb,SleimanJneidi/mapdb,jankotek/mapdb,sumit784/mapdb,mebigfatguy/mapdb,ffjiao/mapdb,ringoluo/mapdb,cocosli/mapdb,hangum/mapdb,olupas/MapDB,jankotek/mapdb,codeaudit/mapdb,jankotek/MapDB,binarytemple/mapdb,jankotek/MapDB