Updated pod version, added comments and a missing import in public header
diff --git a/Classes/GTXChecksCollection.m b/Classes/GTXChecksCollection.m
index 51eeae5..1d82e88 100644
--- a/Classes/GTXChecksCollection.m
+++ b/Classes/GTXChecksCollection.m
@@ -38,9 +38,9 @@
 #pragma mark - Globals
 
 /**
- *  The minimum size (width or height) for a given element to be easily accessible.
- *  Based on Apple's Human Interface Guidelines:
- *  https://developer.apple.com/design/human-interface-guidelines/ios/visual-design/adaptivity-and-layout/
+ *  The minimum size (width or height) for a given element to be easily accessible. Please read
+ *  Material design guidelines for more on touch targets:
+ *  https://material.io/design/layout/spacing-methods.html#touch-click-targets
  */
 static const float kGTXMinSizeForAccessibleElements = 44.0;
 
diff --git a/Classes/GTXiLib.h b/Classes/GTXiLib.h
index 22964be..62a364a 100644
--- a/Classes/GTXiLib.h
+++ b/Classes/GTXiLib.h
@@ -39,6 +39,7 @@
 #import <GTXiLib/GTXImageAndColorUtils.h>
 #import <GTXiLib/GTXLogging.h>
 #import <GTXiLib/GTXPluginXCTestCase.h>
+#import <GTXiLib/GTXTestEnvironment.h>
 #import <GTXiLib/GTXToolKit.h>
 #import <GTXiLib/GTXTestSuite.h>
 #import <GTXiLib/NSError+GTXAdditions.h>
diff --git a/GTXiLib.podspec b/GTXiLib.podspec
index ef204b1..fe941ce 100644
--- a/GTXiLib.podspec
+++ b/GTXiLib.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = "GTXiLib"
-  s.version      = "2.0"
+  s.version      = "2.1"
   s.summary      = "iOS Accessibility testing library."
   s.description  = <<-DESC
   iOS Accessibility testing library that works with XCTest based frameworks.
@@ -9,6 +9,6 @@
   s.license      = "Apache License 2.0"
   s.author       = "j-sid"
   s.platform     = :ios
-  s.source       = { :git => "https://github.com/google/GTXiLib.git", :tag => "2.0.0" }
+  s.source       = { :git => "https://github.com/google/GTXiLib.git", :tag => "2.1.0" }
   s.source_files = "Classes/**/*.{h,m,swift}"
 end