Set Content Header, not add, to prevent duplicate header in certain cases.
Merge branch 'pull-request-67'
few tests added for printf
Added detection of unsupported operations on document node.
Rollback and ignore attributes on Document node.
Added htmlAll() method to Jerry
Added Petite RequestScope
Added simple keep-alive support for Http
Added rounding when formatting float-point types (fixes #70)
Inlined Strategy in ReferenceMap
FastSort moved to sort package
Added cl package for class loader works and added class loader strategy
Added BeanUtil test
todo updated
Support char conversion
Next snapshot version