Improving test coverage
Merge remote-tracking branch 'rouvoy.github.jfilter/master'

Conflicts:
	src/main/java/fr/inria/jfilter/operators/ComparableFilter.java
	src/main/java/fr/inria/jfilter/resolvers/BeanResolver.java
	src/main/java/fr/inria/jfilter/resolvers/ValueResolver.java
revert to and fix size on non list collection