Add http 404 if hash is not found
Go fmt
Implement table config in the configuration file, close #2
Add the external value to be validated by sql lib
May a better way to import custom packages
Fix local import (commit c72a89461d)
Add support to drivers (wip #1)
Add drivers validation (task #1)
Add support to sqlite3 (task #1)
Add connect test to database (#1)
Just for separate the connections and queries
Add support to postgres (#1)
Merge driver into develop, close #1
A simple implementation using go-cache
Cache the values only if there is a result in the query
Increase cache time for tests
Merge branch 'caching' into develop

Conflicts:
	database/query.go
Fix bind sql parameter
Remove ini
Caching time must be configurable