code aufgeräumt und Tests geschrieben

src/main/java/edu/hsh/dbs2/imdb/Starter.java

src/main/java/edu/hsh/dbs2/imdb/entity/CharacterMapper.java

src/main/java/edu/hsh/dbs2/imdb/entity/Mapper.java

src/main/java/edu/hsh/dbs2/imdb/entity/MovieMapper.java

src/main/java/edu/hsh/dbs2/imdb/entity/MovieType.java

src/main/java/edu/hsh/dbs2/imdb/entity/Sex.java

src/main/java/edu/hsh/dbs2/imdb/logic/GenreManager.java

src/main/java/edu/hsh/dbs2/imdb/logic/Manager.java

src/main/java/edu/hsh/dbs2/imdb/logic/MovieManager.java

src/main/java/edu/hsh/dbs2/imdb/logic/PersonManager.java

src/test/java/edu/hsh/dbs2/imdb/TestDB.java