Copied traits for dynamic from cocaine
Added class for namespace_state cache
Added enqueue method that supported dynamic_t
Added TODO: log ns-state extract
Buildfix: enqueue methods
Improved namespace_state internal API
Cache_t default constructor doesn't create an empty value
Added collecting of namespace_state cache
Ns-state weights_t::get takes groups_count
Uses namespaces_states instead of weights
Uses namespaces_states instead of metabalancer_info
Cache_map uses string as a key
Removed unused variable
Removed namespace_statistics cache
Removed namespaces_settings cache
Reimplement serializetion

Library can serialize whole response from mastermind, not only known
parameters
Reimplement deserialization
Construct caches through dynamic_t
Removed unused code
Check namespaces_states for expiration