add: __eq metamethod has been added.
add: toHex method has been added.
add: toBase64 method has been added.
add: toBase64URL method has been added.
add: __len metamethod has been added.
remove: hmac module has been removed.
add: jose_util.h has been added.
add: jose_ssl.h has been added.
change: enhance the buffer module independence.
change: refactore a compare method.
fix: a second argument index should be 2.
change: a convert method has been removed.
change: refactor a new method.
fix: should not create module table if could not be created metatable.
change: hex module has been removed from lib module.
change: base64 module has been removed from lib module.
change: buffer module has been removed from lib module.
change: hex_try.lua has been updated.
change: base64_try.lua has been updated.
fix: forgot to remove buffer/hex/base64 sources from lib sources.