Parser modifications to support negation of address in Junos ACLs.
Merge pull request #62 from mvh/except

Parser modifications to support negation of address in Junos ACLs.
- Matches.output_junos() now accounts for negated objects when displaying
- IP() now accounts for incoming negated objects
- MyIPy now accounts for negated objects in membership tests
- Replace inline Cisco inverse mask calc w/ make_inverse_mask() func
- Remove extraneous imports/comments
- Matches.output_junos() now accounts for negated objects when displaying
- IP() now accounts for incoming negated objects
- MyIPy now accounts for negated objects in membership tests
Move most 'except' processing into a 'TIP' class (for Trigger IP)
Merge pull request #62 from mvh/except

Parser modifications to support negation of address in Junos ACLs.

Conflicts:
	trigger/acl/parser.py
Merge pull request #26 from jathanism/issue-62

Parsing of "{ip} except;" in Junos ACLs doesn't seem to be functioning