Merge pull request #1 from mikey179/master

prepare coveralls
add new convenience access to database
upgrade to nb 7.4
don't build with 5.3 any more, support stopped
rename from apply() to map() and return list of function return values
add some more docs
rename and enable markup
update to latest releases
introduce possibility to retrieve a list of available database connection ids
add possibility to store details for a database configuration
add net\stubbles\db\DatabaseConnection::dsn() and net\stubbles\db\DatabaseConnection::details() to get more information about the actual connection
prepare release
introduce concept of properties for database config, allows arbitrary values
past tense
change net\stubbles\db\Database methods to work with prepared statements
rename to fit style
enable PHP 5.6 on travis-ci
update dependencies
add net\stubbles\db\Database::fetchRow()