Untranslate exceptions
i18n: Update POT
LogPrinter: Log exceptions with additional message
Strip unneeded imports
Spacing changes only
Analyzer: Make _() static

_() doesnt need access to any member and thereffore can be static.
Analyser: Check argument types
StringConverter: Remove obsolete comment

We implement the __path__ function in the Setting class which derives
from StringConverter. This totally makes sense since the Setting has the
origin and the StringConverter lacks the information to have such a
conversion.
StringConverter: Rename variable
Collectors: Add base class

A Collector is the base class of anything that collects a set of
arbitrary items. It provides mainly iterators.
tests: Add collecting package
collectors: Add Collector tests
Collectors: Add FileCollector
Collectors: Add FileCollector tests
Collectors: Add FilterCollector
Collectors: Add FilterCollector tests
coverage: Exclude any temporary files

We sometimes use temporary code files for tests. Branch and statement
coverage for these doesnt make sense and is of no use at all.
README: Correct branch
ConfParser: Throw exceptions if anything fails

This way we can also return something useful.