def isIdentical(self, other, max_slippage=0):
        return (self.contig == other.contig and
                self.strand == other.strand and
                abs(self.end - other.end) < max_slippage and
                abs(self.start - other.start < max_slippage))
Warn about keys that would not be portable to the memcached
dataset/ETHPy150Open CGATOxford/cgat/CGAT/GTF.py/Entry.isIdentical--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.5/django/core/cache/backends/base.py/BaseCache.validate_key