VBCorLib Code

test(BinaryReader): ensure ReadChar fails correctly when reading surrogate.

fix(BinaryReader): ReadChars and ReadBytes now return zero-length arrays when no data is available instead of throwing an exception.

fix(CultureInfo): bring tests in alignment with region.

fix(SymmetricAlgorithmBase): Mode and Padding properties not throwing correct exception.
chore(SymmetricAlgorithmBase): clean up SymmetricAlgorithmBase tests.

fix(BinaryReader): was not correctly using Decoder causing subscript out of range error.

chore(all): removed CorArray.LengthFirstDim calls in favor of Len1D.

chore(all): remove unused duplicate code.

feat(UTF8Encoding): implement serialization.
chore(UTF8Encoding): finish implementing Encoding interface methods.

chore(UTF8Encoding): extend GetCharCount to decode chars for GetChars.
chore(UTF8Encoding): add decoder state support to GetCharsCore.

chore(UTF8Encoding): clean up GetString method.