v2.0.0

CHANGES:

• Major revision of the RO signature:

• values are of type string
• keys are segments instead of a string
• read is now named get, and does no longer take an offset and length
• the new function list is provided
• the new functions last_modified and digest are provided

• A module Key is provided with convenience functions to build keys
• An RW signature is provided, extending RO with

• a function set to replace a value
• a function remove to remove a key
• batch to batch operations