Drop support for old node versions

Author: Prior99

.travis.yml

@@ -8,15 +8,9 @@ jobs:
     - stage: build
       node_js: "10"
       os: linux
-    - stage: build
-      node_js: "11"
-      os: linux
     - stage: build
       node_js: "12"
       os: linux
-    - stage: build
-      node_js: "13"
-      os: linux
     - stage: build
       node_js: "14"
       os: linux
@@ -29,15 +23,9 @@ jobs:
     - stage: build
       node_js: "10"
       os: osx
-    - stage: build
-      node_js: "11"
-      os: osx
     - stage: build
       node_js: "12"
       os: osx
-    - stage: build
-      node_js: "13"
-      os: osx
     - stage: build
       node_js: "14"
       os: osx

README.md

@@ -50,9 +50,9 @@ This is a native Addon to NodeJS which delivers prebuilt binaries. Only some env
 |--------------------|--------------------|--------------------|--------------------|--------------|--------------------|
 | Earlier            | ✗                  | ✗                  | ✗                  | ✗            | ✗                  |
 | Node 10 *(Abi 64)* | ✓                  | ✓                  | ✓                  | ✗            | ✓                  |
-| Node 11 *(Abi 67)* | ✓                  | ✓                  | ✓                  | ✗            | ✓                  |
+| Node 11 *(Abi 67)* | ✗                  | ✗                  | ✗                  | ✗            | ✗                  |
 | Node 12 *(Abi 72)* | ✓                  | ✓                  | ✓                  | ✗            | ✓                  |
-| Node 13 *(Abi 79)* | ✓                  | ✓                  | ✓                  | ✗            | ✓                  |
+| Node 13 *(Abi 79)* | ✗                  | ✗                  | ✗                  | ✗            | ✗                  |
 | Node 14 *(Abi 83)* | ✓                  | ✓                  | ✓                  | ✗            | ✓                  |
 | Node 15 *(Abi 88)* | ✓                  | ✓                  | ✓                  | ✗            | ✓                  |
 | Node 16 *(Abi 93)* | ✓                  | ✓                  | ✓                  | ✗            | ✓                  |

appveyor.yml

@@ -28,15 +28,9 @@
       - nodejs_version: 10
         GYP_MSVS_VERSION: 2015
         APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
-      - nodejs_version: 11
-        GYP_MSVS_VERSION: 2015
-        APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
       - nodejs_version: 12
         GYP_MSVS_VERSION: 2015
         APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
-      - nodejs_version: 13
-        GYP_MSVS_VERSION: 2015
-        APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
       - nodejs_version: 14
         GYP_MSVS_VERSION: 2015
         APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
@@ -99,15 +93,9 @@
       - nodejs_version: 10
         GYP_MSVS_VERSION: 2015
         APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
-      - nodejs_version: 11
-        GYP_MSVS_VERSION: 2015
-        APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
       - nodejs_version: 12
         GYP_MSVS_VERSION: 2015
         APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
-      - nodejs_version: 13
-        GYP_MSVS_VERSION: 2015
-        APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
       - nodejs_version: 14
         GYP_MSVS_VERSION: 2015
         APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015

package.json

@@ -9,7 +9,7 @@
     "pngjs",
     "node-libpng"
   ],
-  "version": "0.2.19",
+  "version": "0.2.20",
   "description": "Unofficial bindings for node to libpng.",
   "main": "dist/index.js",
   "author": "Frederick Gnodtke",