0.4.2

Enhancements:

• PrintfParametersRule also checks calls to sscanf and fscanf
• Better message for misconfigured autoloader when an analyzed function is not found
• CallableType also accepts strings (references to functions) and arrays with two strings (static methods)

Bugfixes:

• Assign new variables from variadic parameters passed by reference (#26)
• Assigning new variables in various weird situations (#27)
• Do not print the note about default rule level being used when a custom ruleset is present