add tag argument to CompositePickler lambdas
fix noemit build
refactor CompositePickler serialization logic
merge subtype changes
fix perftests.fsx
rewrite format ; unify WriteObject/Sequence
fix perf tests
remove FsUnit dependency
refactor perf tests
clean ups
refactor main project
rename TypeCache
remove .ResetCounter methods
rewrite collection combinators
improve nullable serialization
improve wrap combinator
cleanup tests
remove length prefix from xml format
fix xml indent
rewrite xml