Updated documentation
Moving local folder static methods to PathHelper
Renaming methods
Added PathHelper.getLocalCatalogFilePath method
Cleaning up toString()
Extracting file creation in tests to MockFactory
Started ZincCatalogs
Created FileHelper.readerForFile
Renamed MockFactory to TestFactory
Created FileHelper.readJSON
FileHelper now takes a Gson object
First ZincCatalogs test passing
Moving methods to TestUtils
Added TestFactory.createURL
SourceURL doesn't throw exception
ZincCatalogs now takes a SourceURL
ZincCatalogs now downloads the catalog
Added FileHelper.writeObject
ZincCatalogs now persists catalogs in disk
ZincCatalogs now synchronizes persisting catalogs