Add values/value.c to CMakeLists.txt
Fix: Order of definitions
Fix: Implementation of ws_value_deinit()
Fix: Implementation of ws_value_get_type()
Merge pull request #105 from matthiasbeyer/fix-value

Fix: ws_value implementations
Add interface definition for NIL value type
Add implementation for ws_value_nil_init()
Add CMakeLists.txt entry