Refactor Coupling metric for types

[mylinhdao]

Currently, we have the folder revolver/fully-qualified-type-names, which is responsible for finding the type definitions in each file( like classes, enums, interface etc. ). I think that the names of many variables and classes in this folder are very confusing. They need to be renamed, so we can understand the code with the help of the master thesis it bases on.
Our task is to improve these naming and make the code easier to read.