All parts for FieldTest_File should be close to working. UDP Tests
still need to be implemented.

_File:
- added self.EastWestSrvr, a tuple to two strings, which are the IP
addresses of the East and West server that the tests are connecting to.
These values are passed down through the objects to facilitate better
classification of tests

FieldTest_File:
- added definition of eastAndWestServerIP (used by _File, passed down
to tests to determine which location was connected to)

_Test:
- implemented use of eastWestSrvr values from _File

TCP_Test:
- Updated to use eastWestSrvr values from _File
- Updated name of variables in _Threads and _Measurement

UDP_Test:
- ServerReport is now a sub-class of _Measurement. Necessary info for
UDP_Thread and UDP_ServerReport are passed to constructors, rather than
parsed in this function
- Updated __str__ to work with new structure

_Thread:
- Updated uses of attributes from measurements to reflect the new
variable names (e.g. timeStart -> TimeStart)

TCP_Thread:
- updated documentation

UDP_Thread:
- All code is new. Similar to implementation of TCP_Thread, only with
two new attributes (DatagramzSent and ServerReport)
- __init__ determines value of DatagramzSent, and finds all lines
pertaining to ServerReport. Send all relevant lines to UDP_ServerReport
constructor

_Measurement:
- renaming of variables
  -  timeStart -> TimeStart
  -  timeEnd -> TimeEnd
  -  size -> Size
  -  speed -> Speed

UDP_ServerReport:
- sub-class of _Measurement. Inherits all values, and adds on Jitter,
Dtgrams_Lost, _Sent, _Perc, and _OoO (stands for out-of-order)
- updated __str__ to print out new attributes
- updated __arr__ to include new necessary attributes