Version 2.0.0 Beta 2

• Add HTTPSession, WhoisEntry objects.
• Add Double, Float, Long, NonNegativeInteger, Date, Time properties.
• Update Personnel, Contributor, DateRange, MeasureSource, AssociatedObject types for CybOX 2.0.
• Update WinFile, WinExecutableFile, WinDriver, WinEvent, WinHandle, WinMutex, WinKernelHook, WinProcess, WinRegistryKey, WinService, Library, Pipe, WinPipe, NetworkSocket, System, WinSystem, and WinNetworkShare objects for CybOX 2.0.
• Add ActionReference type.
• Update ToolInformation, ToolInformationList, ByteRun(s) types.
• Convert DNSResourceRecords, StreamList, EnvironmentVariableList types to EntityList.
• Allow subclass instantiation in to_obj/from_obj functions.
• Fix datatype on Property classes
• Add initial TypedField implementation to reduce repetitive code.
• Convert File object to use TypedFields
• Add support for caches when reading a file that contains idrefs.
• Don't print anything to STDOUT.
• Add copyright statement to all files.
• Improve namespace parsing and output code.
• Improve automated tests.
• [#19] [#20] [#21] [#22] [#24] Typo fixes.
• Bugfixes in [#23] Memory and [#25] Process types.
• Various bug and style fixes.