[Version] Internal version bump.
[Experimental] Stateful string formatter parser.
[Formatter.String] Added and tested variadic placeholders support.
[Formatter.String] Refactoring, error handling.
[Formatter.String] Added more error categories.
[Aux] Fixed wrong error handling.
[Format.String] More verbose error message.
[Unit Testing] Wide error checking.
[Unit Testing] Checking more concrete exception classes.
[GCC 4.4] Attributes are not allowed on a function-definition, okay.
[GCC 4.4] There is no range-for.
[Code Style] Naming and code style.
[Aux] Conventional naming.
[Code Style] Braces.
[Aux] Drop unnecessary conversion.
[Formatter.String] More on error checking.
[Aux] Refactoring over variadic placeholder handling.
[Bug Fix] Missed parser state assigning fixed and tested.
[Aux] Beautifulization.
[Unit Testing] Renaming.