Review specifictiy calculation for package patterns

[skuzzle]

Calculation quite arbitrarily counts numbers of wildcards. I feel that also the wildcard's position should be taken into account as well. For example com.foo.bar.**.abc.de feels more specific than com.foo.**.bar.abc.de.
In general, if a pattern is a prefix of another, the pattern where the first wildcard occurs later (farther right) is more specific than the other

[skuzzle]

From version 2.x.x on, specificy will be defined as follows:
A single part of a pattern can be assigned a specificy like this:

Part	Specificy
**	0
*	1
else	2

When comparing 2 patterns for specificy, we simply calculate the specificy of the first part, in which both patterns differ. If no such part exists (= one pattern is an exact prefix of the other), the specifixy is calculated by comparing both pattern's part count. So naturally the longer pattern becomes the more specific one.