Changelog for hashable-1.1.0.0

Version 1.1.0.0 * Added instance for: strict and lazy Texts, ThreadId * Added hashPtrWithSalt and hashByteArrayWithSalt. * Faster ByteArray# hashing. * Fixed a signedness bug that affected ByteString. * Fix ByteString hashing to work correctly on both 32 and 64-bit platforms. Version 1.0.1.1 * Fixed bug in Hashable instance for lazy ByteStrings where differences in the internal structure of the ByteString could cause different hash values for ByteStrings that are equal according to ==. Version 1.0.1.0 * Added two helpers for creating Hashable instances: hashPtr and hashByteArray. Version 1.0.0 * Separated Hashable class to its own package from hashmap 1.0.0.3.