upated readme and upgraded to 3.2 3.3 3.4

Appraisals

@@ -0,0 +1,11 @@
+appraise "spree-3-2" do
+  gem 'spree', '~> 3.2.0'
+end
+
+appraise "spree-3-3" do
+  gem 'spree', '~> 3.3.0'
+end
+
+appraise "spree-3-4" do
+  gem 'spree', '~> 3.4.0'
+end

Gemfile

@@ -1,9 +1,5 @@
 source 'https://rubygems.org'
 
-gem 'spree', github: 'spree/spree', branch: '3-2-stable'
-# Provides basic authentication functionality for testing parts of your engine
-gem 'spree_auth_devise', github: 'spree/spree_auth_devise', branch: 'master'
-
 group :test do
   gem 'rails-controller-testing'
   gem 'byebug'

README.md

@@ -18,7 +18,7 @@ Spree::Taxjar is a sales tax extension for Spree using [SmartCalcs by TaxJar](ht
   ```ruby
   gem 'spree_taxjar', github: 'vinsol-spree-contrib/spree_taxjar', branch: <spree-version-compatible>
   ```
-  
+
   *The `branch` option is important:* it must match the version of Spree you're using. For example, use `3-1-stable` if you're using Spree `3-1-stable` or any `3.1.x` version.
 
 2. Install the gem using Bundler:
@@ -42,6 +42,7 @@ Spree::Taxjar is a sales tax extension for Spree using [SmartCalcs by TaxJar](ht
   - Check the `TAXJAR ENABLED` checkbox
   - Optionally, check `TAXJAR DEBUG ENABLED` for debugging issues
     - Not recommended for production use unless debugging production issues
+  - Update tax rates to Spree/Taxjar calculator.
 
 ## Developing / Debugging Extension
 

gemfiles/spree_3_2.gemfile

@@ -0,0 +1,12 @@
+# This file was generated by Appraisal
+
+source "https://rubygems.org"
+
+gem "spree", "~> 3.2.0"
+
+group :test do
+  gem "rails-controller-testing"
+  gem "byebug"
+end
+
+gemspec path: "../"

gemfiles/spree_3_3.gemfile

@@ -0,0 +1,12 @@
+# This file was generated by Appraisal
+
+source "https://rubygems.org"
+
+gem "spree", "~> 3.3.0"
+
+group :test do
+  gem "rails-controller-testing"
+  gem "byebug"
+end
+
+gemspec path: "../"

gemfiles/spree_3_4.gemfile

@@ -0,0 +1,12 @@
+# This file was generated by Appraisal
+
+source "https://rubygems.org"
+
+gem "spree", "~> 3.4.0"
+
+group :test do
+  gem "rails-controller-testing"
+  gem "byebug"
+end
+
+gemspec path: "../"

spree_taxjar.gemspec

@@ -14,7 +14,9 @@ Gem::Specification.new do |s|
   s.require_path = 'lib'
   s.requirements << 'none'
 
-  s.add_dependency('spree_core', '~> 3.2.0')
+  spree_version = '>= 3.2.0', '< 4.0.0'
+
+  s.add_dependency 'spree_core', spree_version
   s.add_dependency 'taxjar-ruby', '~> 1.5'
 
   s.add_development_dependency 'capybara', '~> 2.6'
@@ -31,4 +33,5 @@ Gem::Specification.new do |s|
   s.add_development_dependency 'rspec-activemodel-mocks'
   s.add_development_dependency 'vcr'
   s.add_development_dependency 'webmock'
+  s.add_development_dependency 'appraisal'
 end