```ruby
require_relative 'mementus/graph'
require_relative 'mementus/structure/adjacency_list'
require_relative 'mementus/structure/incidence_list'
require_relative 'mementus/node'
require_relative 'mementus/edge'
require_relative 'mementus/node_proxy'
require_relative 'mementus/pipeline'
require_relative 'mementus/depth_first_search'
require_relative 'mementus/breadth_first_search'
require_relative 'mementus/query/traversal'
require_relative 'mementus/query/source'
require_relative 'mementus/query/step'
require_relative 'mementus/query/traversal'
require_relative 'mementus/integer_id'
require_relative 'mementus/element_builder'
require_relative 'mementus/graph_builder'
require_relative 'mementus/node_builder'
require_relative 'mementus/edge_builder'
require_relative 'mementus/direction'
```

Change `require_relative` to `require` in base Gem include
user
```ruby
require 'mementus/graph'
require 'mementus/structure/adjacency_list'
require 'mementus/structure/incidence_list'
require 'mementus/node'
require 'mementus/edge'
require 'mementus/node_proxy'
require 'mementus/pipeline'
require 'mementus/depth_first_search'
require 'mementus/breadth_first_search'
require 'mementus/query/traversal'
require 'mementus/query/source'
require 'mementus/query/step'
require 'mementus/query/traversal'
require 'mementus/integer_id'
require 'mementus/element_builder'
require 'mementus/graph_builder'
require 'mementus/node_builder'
require 'mementus/edge_builder'
require 'mementus/direction'
```
assistant