Working on calculating distrib of StDev

utils
- added StDevP function (I know it can be imported, but it was fun to
code)

STDs
- changing all of the value ranges into ints before extending (i.e.
printing in the 2D array). makes then easier to read

SpeedTestFile, Indiv, PingThread
- Working on getting the StDevs of the sums of the threads in one
direction. Running into some problems.
!!!! The above problems require some more work on the parsing of the
data files !!!!