add Brazil to country list as issue #9 discribed
change rev to 1.4 (beta)
add config module to integrate cli and config file
add and pass load_true, load_false, load_count cases
add default config loader
config file loader based on configparser done
ignore ctags generated tag file
add config file dumper
add debug log and a todo item
add parameter support check to default loader and config dumper
suppress add default values from cli parser if generate_default is false
add utilities for config merge and pretty output
migrate config to new config db
refactor config loading
support loading from config file
support default file generation from cli now
ignore default configuration file
add log in default config generation
use 'auto' to specify automatical country choosing explicitly
add choice check in config file loader