Merge pull request #99 from watson-developer-cloud/ver_8154

ci: Changes to CI configuration and support ruby 2.5 and 2.6

Author: Mikemosca

.travis.yml

@@ -4,9 +4,9 @@ dist: trusty
 sudo: required
 
 rvm:
-- 2.3.7
-- 2.4.4
 - 2.5.1
+- 2.6.1
+# - 2.7.1
 
 before_install:
   - git fetch --tags

README.md

@@ -398,8 +398,10 @@ If you have issues with the APIs or have a question about the Watson services, s
 
 Tested on:
 
-* MRI Ruby (RVM): 2.3.7, 2.4.4, 2.5.1
-* RubyInstaller (Windows x64): 2.3.3, 2.4.4, 2.5.1
+* MRI Ruby (RVM): 2.5.1, 2.6.1
+* RubyInstaller (Windows x64): 2.5.1, 2.6.1
+
+2.3.7 and 2.4.4 should still work but support will be deprecated in next major release.
 
 ## Contributing
 

appveyor.yml

@@ -6,9 +6,8 @@ cache:
 
 environment:
   matrix:
-    - RUBY_VERSION: 23-x64
-    - RUBY_VERSION: 24-x64
     - RUBY_VERSION: 25-x64
+    - RUBY_VERSION: 26-x64
 
 init:
   - set PATH=C:\Ruby%RUBY_VERSION%\bin;%PATH%