StringToTime Converts _time a unit in form 1h10m43s to a uint64 representing nanoseconds.

StringToUnits converts size in a unit in form 1.3KB OR 6.3GB to bytes.

TimeToString Converts _time a unit64 representing nanoseconds to a unit in form 1h10m43s.

UnitsToString converts size in bytes to a unit in form 1.3KB OR 6.3GB.