David RENÉ / hayamiki

[*] really add declared default value into default row type

…in create_table_generate_one_column and in constraint for unique
version 1.19.5

…contain the read of the current generated model version. So to do the migration to the last version no need anymore to change the version number by hand like before.

…iki generator version change
[+] the generation date and time and HK generator version are stored into the hayamiki.ini