Make dbf Field round trippable and able to better preserve user field names + test it.#420

JamesParrott merged 2 commits into

GeospatialPython:masterGeospatialPython/pyshp:masterfrom

JamesParrott:Don't_corrupt_dbf_strings_when_trimmingJamesParrott/IronPyShp:Don't_corrupt_dbf_strings_when_trimmingCopy head branch name to clipboard