Fix a bug where a solo cache manager thread could lock itself out. Fix a bug where a byte reader function could be using the wrong cache segment size.
Fix a bug where a solo cache manager thread could lock itself out.
Fix a bug where a byte reader function could be using the wrong cache segment size.

kdmurray91/khmer,F1000Research/khmer,ged-lab/khmer,souravsingh/khmer,Winterflower/khmer,jas14/khmer,Winterflower/khmer,jas14/khmer,ged-lab/khmer,ged-lab/khmer,kdmurray91/khmer,kdmurray91/khmer,jas14/khmer,souravsingh/khmer,F1000Research/khmer,souravsingh/khmer,Winterflower/khmer,F1000Research/khmer