v2.3.4.2 - opcode updates for FFXIV global patch 6.18

Added post-build events to copy nuget packages to packages folder if …

…it exists. Added private signing key reference for official builds.

Incremented version # to 2.1.1

Updated trace logging to include a category
Minor fix to WinPCap to prevent null reference exception under rare conditions
Updated FFXIV Message Type IDs to patch 4.4

Increment Machina.FFXIV Version to 2.1

v2.0.0.2: Modified GetNetworkInterfaceIPs to only return IP Addresses…

… on operational network interfaces.

Truncated data sent by network data diagnostic trace to reduce output size under high packet loss conditions.

Minor test updates.

Minor project cleanup