Add Rails 6.1 compatability, bump version.

Author: keithdoggett

.gitignore

@@ -11,4 +11,5 @@ test/dummy/log/*.log
 test/dummy/storage/
 test/dummy/tmp/
 test/dummy/test
-tmp/
+tmp/
+Gemfile.lock

Gemfile.lock

@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module SpatialStats
-  VERSION = '1.0.3'
+  VERSION = '1.0.4'
 end

lib/spatial_stats/version.rb

@@ -40,11 +40,11 @@ Gem::Specification.new do |spec|
   spec.extensions = ['ext/spatial_stats/extconf.rb']
 
   spec.add_dependency 'numo-narray', '~>0.9.1'
-  spec.add_dependency 'rails', '~> 6.0.0'
+  spec.add_dependency 'rails', '>= 6.0.0'
   spec.add_development_dependency 'activerecord-postgis-adapter', '~> 6.0.0'
   spec.add_development_dependency 'database_cleaner', '~> 1.8.3'
   spec.add_development_dependency 'pg', '~> 1.0'
   spec.add_development_dependency 'rake-compiler', '~>1.1.0'
   spec.add_development_dependency 'ruby-prof', '~> 1.3.1'
-  spec.add_development_dependency 'tzinfo', '~> 1.2.6'
+  spec.add_development_dependency 'tzinfo', '>= 1.2.6'
 end