Merge pull request #173 from metricfu/use_code_analzyer_with_line_number_sexp

Use code_analyzer that patches Sexp with :line_number instead of :line
Specify MIT license in gemspec
use 0.4.0 code_analyzer
Bumping version to 1.14.1
Merge pull request #174 from bf4/add-license-to-gemspec

Specify MIT license in gemspec