re #9443 ApiClient refactoring for better testing
re #9443 refactoring of network and other utils for the purpose of testing
re #9568 Fixed formatting
re #9566 Added InfoFetcher.cs, modified some other files (a bit of refactoring)
re #9441 manager refactoring - removal of useless functions and variables
re #9441 Added core of cache manager
re #9441 definition of new Api client functions, implementation and added needed variables
re #9438 added function for logging of server response
re #9438 Added API client + example data