updated ChangeLog re collect-reads and slice-reads-by-coverage
updated ChangeLog re collect-reads and slice-reads-by-coverage

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