Remove nodejs8.10 support and minor bug fixes.

• remove nodejs8.10 runtime support
• fixes the typescript definitions
• makes the launch.json human readable

v0.5.1

• Fix bug in v0.5.0 that broke backwards compatibility with v0.4.0

v0.5.0

• The build will now fail if the handler file doesn't exist. #23
• Checking for the handler file exists is now done by Webpack instead of this plugin. #23
• Use the Webpack resolve extensions instead of hard coded .ts or .js for the handler file extension #23
• Add support for building multiple projects (experimental). #6
• Fix problem with global handler support #15
• README.md now includes instructions for how to reload the template for each build #21
• Other minor corrections and improvements to the README.md.

0.4.0

• Add support for nodejs12.x runtime
• Allow InlineCode instead of requiring a CodeUri. This will generate a warning message on the console.
• Update TypeScript to 3.7