[*] Fixed some const/nonconst pointers

[+] Added a flush command handler for the cuttdb and sqlite database. This command handler closes and opens a database connection. Also, the handler launches the sync function for OS of the Linux family.

This reverts merge request !8

[+] Added command flush for database sqlite and cuttdb. Function flush working using function sync only in Linux fammily OS.

added support deleting records

Added SQLite fine tuning

[+] callback_arg setup for all notify callback calls
[*] Smaller fixes

[*] Massive possible errors and fixes (how it was working before?!)

fix bags in dap_chain_global_db_gr_load(), dap_db_add(),
dap_store_packet_multiple(), dap_store_unpacket()

modify dap_chain_global_db_load()

read/write entire base

dap_chain_global_db_get(), dap_chain_global_db_set();