Added core methods

'rangeDepth': rangeDepth,
'hashIntegerRangesforBitDepth':hashIntegerRangesforBitDepth,
'hashIntegerRangesforRadius':hashIntegerRangesforRadius,
'redis_setClientZSetName': setClientZSetName,
'redis_nearbySearch': redis_nearbySearch,
'redis_addNewCoordinate': redis_addNewCoordinate