lightmap@v0.1.7

• Merge pull request #9 from mi-sec/issue/8 d7dcbce
• fixed issue Cannot read property 'constructor'; of undefined 218d05b
• Merge pull request #7 from mi-sec/dependabot/npm_and_yarn/acorn-7.1.1 a592e48
• Bump acorn from 7.1.0 to 7.1.1 b6c993a

v0.1.6...v0.1.7