Add support for babel v7

v4.0.0

chore: increase version number to v4.0.0

Support Webpack's `require.ensure()` async dynamic import

v3.1.0

chore: increase version number to v3.1.0

Transpile `import()` statements

v3.0.0

chore: increase version number to v3.0.0

feat: transform any provided expression

Allow transforming any expression, so that dynamic paths can be used on the environments that support them (eg Template Literals with Webpack2).

src2.3.0: chore(release): v2.3.0

feat: try using the global variable and {}

src2.2.1: chore(release): v2.2.1

fix(moduleImportHelper): add proper node module resolution detection

src2.2.0: chore(release): v2.2.0

Resolve module names only when moduleIds is true.

src2.1.0: chore(release): v2.1.0

Use Promise.resolve() as a faster approach over new Promise().

src2.0.0: chore(release): v2.0.0

Upgrade the implementation to support babel 6

src1.1.5: chore(release): v1.1.5

Merge branch 'master' of https://github.com/thgreasi/babel-plugin-sys…