New Features

Add TypeSignature::IsCompatibleWith and TypeSignature::IsAssignableTo methods (#421)
Add support for patching AppHost / SingleFileHost files without requiring the original SDK template file (#420, #424)
Add support for metadata tokens and unmanaged entry points in DotNetDirectory (#422)
Add Parameter::GetOrCreateDefinition() (#418, thanks @ElektroKill)
Add read support for PDB modules (#412)
Add read support for many more PDB symbol and leaf record types (#412)
Add basic metadata properties to PdbImage (e28df25)
Add OptionalHeader::SetDataDirectory helper method (8357a77)
Add CallingConventionSignature::CallingConvention convenience property that masks out the used convention from Attributes (#414)
Add undocumented CallingConvention::NativeVarArg (#414)

Bug Fixes

Fix an issue related to metadata token preservation of MemberRefParents (caeef35)
Fix an issue with MethodSignature's sentinel parameter type preservation (#413, #414).
Fix ParameterCollection::ThisParameter's parameter type for generic instance types (e27b6e8, thanks @ElektroKill)
Fix MethodSignatureBase::GetTotalParameterCount() for ExplicitThis signatures (dae9909, thanks @ElektroKill)

All constructors of BundlerParameters are superseded by BundlerParameters::FromTemplate and BundlerParameters::FromExistingFile.
Assignments of DotNetDirectory::EntryPoint using an uint are obsoleted and should be replaced with a construction of a DotNetEntryPoint structure.

Remove spurious CallingConventionSignature::IsSentinel (#414)
Change property type of DotNetDirectory::EntryPoint from uint to DotNetEntryPoint DU struct.