started implementing the garbage collector

gulpfile.js

src/Helper.spec.js

src/OperationStore.js

src/OperationStores/IndexedDB.js

src/OperationStores/IndexedDB.spec.js

src/OperationStores/Memory.js

src/Struct.js

src/Types/Array.spec.js

src/Types/Map.js

src/y.js