Bump express from 4.17.1 to 4.18.2 (#39)

Bump qs from 6.5.2 to 6.5.3 (#38)

Bump minimatch from 3.0.4 to 3.1.2 (#37)

Bump decode-uri-component from 0.2.0 to 0.2.2 (#36)

Bump async from 2.6.2 to 2.6.4 (#33)

Bump ajv from 6.10.1 to 6.12.6 (#32)

Bump tar from 4.4.15 to 4.4.19 (#30)

Bump path-parse from 1.0.6 to 1.0.7 (#29)

Bump color-string from 1.5.3 to 1.6.0 (#27)

Bump ws from 5.2.2 to 5.2.3 (#28)

Bump y18n from 3.2.1 to 3.2.2 (#26)

Bump tar from 4.4.10 to 4.4.15 (#25)

Bump browserslist from 4.6.4 to 4.16.6 (#23)

Bump hosted-git-info from 2.7.1 to 2.8.9 (#22)

Bump lodash from 4.17.19 to 4.17.21 (#21)