0.2

• camlzip: add buffered version of the input stream transducers
• add In_buf.skip
• add iostream-camlzip, depends on iostream
• rename Out to Out_buf, add Out
• add Slice type, used for buffered input
• add iostream.unix optional library
• split seekable into its own class
• breaking: use OO and class type for all types

0.1

initial release