Left: auto update, privacy and security, local storage box +
some minor things, like design fixes, codes like loadlang and
clearing of the local storage (box) and temp download folder.
All errors that lead to MTP request resending by default
error handler now can be handled differently. For example
inline bot requests are not being resent on 5XX error codes.
+ extensive use of auto keyword in MTP types handling.
for inline and external bot keyboard handling.
But it needs to reinvent a good improvement/replacement
for ITextLink concept that will support automatic calls
of linkOver()/linkOut() methods in all link holders.
