Merge pull request #1 from bwgit/master

pad leader base address of data with zero instead of space
Bug Fix: encoding
MarcPermissiveStreamReader line 1334 replaced with:
char[] tmp = Encoding.GetEncoding("ISO-8859-1").GetChars(leaderData, 0, 5);
Merge pull request #1 from mxurshid/master

Update from original