Add basic UUID encoder
fix according to CR
add Javadocs
add limited lookahead to bsondocumentreader
add Mark class to store marks in readers
revert uncecessary changes
add llmark spec
a markable iterator and some tests
add comprehensive test
add more comprehensive UUID test according to Robert's suggestions
add UUID support in DBObjectCodec
Add UUIDCodecProvider to use the codec in the registry
add docs
fix according to CR
fix ObjectDBCodec
fix according to CR
uncomment jsonreader in a test
Add JSONReader back in