is_local_ip also checks locally bound IPs

[codecov[bot]]

Codecov Report

Merging #40 into master will increase coverage by 0.8%. The diff coverage is 100%.

@@            Coverage Diff            @@
##           master      #40     +/-   ##
=========================================
+ Coverage   81.86%   82.67%   +0.8%     
=========================================
  Files           1        1             
  Lines         193      202      +9     
  Branches       57       59      +2     
=========================================
+ Hits          158      167      +9     
  Misses         35       35

Impacted Files	Coverage Δ
index.js	82.67% <100%> (+0.8%)	:arrow_up:

---

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[msimerson]

$ npm publish
npm notice 
npm notice 📦  haraka-net-utils@1.1.3
npm notice === Tarball Contents === 
npm notice 1.1kB  package.json                           
npm notice 137B   .codeclimate.yml                       
npm notice 212B   .eslintrc.json                         
npm notice 238B   .travis.yml                            
npm notice 395B   appveyor.yml                           
npm notice 1.5kB  Changes.md                             
npm notice 13.3kB index.js                               
npm notice 1.1kB  LICENSE                                
npm notice 2.9kB  README.md                              
npm notice 490B   run_tests                              
npm notice 424B   test/config/dhparams.pem               
npm notice 14B    test/config/me                         
npm notice 1.2kB  test/config/tls_cert.pem               
npm notice 1.7kB  test/config/tls_key.pem                
npm notice 900B   test/config/tls.ini                    
npm notice 3.1kB  test/config/tls/haraka.local.pem       
npm notice 3.1kB  test/config/tls/haraka2.local.pem      
npm notice 7.1kB  test/config/tls/mail.theartfarm.com.pem
npm notice 36.8kB test/net_utils.js                      
npm notice === Tarball Details === 
npm notice name:          haraka-net-utils                        
npm notice version:       1.1.3                                   
npm notice package size:  24.4 kB                                 
npm notice unpacked size: 75.7 kB                                 
npm notice shasum:        7e0bc71bea523ec3cd86b898c8d0617087d7d091
npm notice integrity:     sha512-h3oUZAS3e9BrD[...]YKidpXPBZHErw==
npm notice total files:   19                                      
npm notice 
+ haraka-net-utils@1.1.3