switch to bytebuffers for IO
switch to bytebuffers for IO

phlip9/BIDMat,codeaudit/BIDMat,phlip9/BIDMat,phlip9/BIDMat,phlip9/BIDMat,codeaudit/BIDMat,codeaudit/BIDMat,codeaudit/BIDMat,phlip9/BIDMat,codeaudit/BIDMat