Added support to Swift version 3.0 instead of 4.0

Author: ShadyElyaski

.swift-version

@@ -1 +1 @@
-4
+3.0

Example/Podfile.lock

@@ -1,5 +1,5 @@
 PODS:
-  - VSTwitterTextCounter (0.1.0)
+  - VSTwitterTextCounter (0.1.1)
 
 DEPENDENCIES:
   - VSTwitterTextCounter (from `../`)
@@ -9,7 +9,7 @@ EXTERNAL SOURCES:
     :path: ../
 
 SPEC CHECKSUMS:
-  VSTwitterTextCounter: 0a647c15f256a10011bbbd4b626fc2f5fc2e792e
+  VSTwitterTextCounter: 75cada993b08664870fdc068c6c1b6394e13dc40
 
 PODFILE CHECKSUM: 614e557836642184f62a4b9c504e1fc4d815b8ce
 

Example/Pods/Local Podspecs/VSTwitterTextCounter.podspec.json

@@ -527,7 +527,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = "org.cocoapods.demo.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_SWIFT3_OBJC_INFERENCE = Default;
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 3.0;
 			};
 			name = Debug;
 		};
@@ -546,7 +546,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = "org.cocoapods.demo.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_SWIFT3_OBJC_INFERENCE = Default;
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 3.0;
 			};
 			name = Release;
 		};

Example/Pods/Manifest.lock

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
 s.name                  = 'VSTwitterTextCounter'
-s.version               = '0.1.0'
+s.version               = '0.1.1'
 s.license               = { :type => 'MIT', :file => 'LICENSE' }
 s.platform              = :ios, "8.0"
 s.ios.deployment_target = '8.0'

Example/Pods/Pods.xcodeproj/project.pbxproj

@@ -373,15 +373,15 @@ public class VSTwitterTextCounter: UIControl
             let okString = objcString.substring(to: lastAllowedCharacterIndex)
             let overflowingString = objcString.substring(from: lastAllowedCharacterIndex)
 
-            let attributedString = NSMutableAttributedString(string: okString, attributes: [.font: textView.font!])
+            let attributedString = NSMutableAttributedString(string: okString, attributes: [NSFontAttributeName: textView.font!])
 
-            attributedString.append(NSAttributedString(string: overflowingString, attributes: [.backgroundColor: VSTwitterTextCounter.OVERFLOWING_TEXT_BACKGROUND, .font: textView.font!]))
+            attributedString.append(NSAttributedString(string: overflowingString, attributes: [NSBackgroundColorAttributeName: VSTwitterTextCounter.OVERFLOWING_TEXT_BACKGROUND, NSFontAttributeName: textView.font!]))
 
             textView.attributedText = attributedString
         }
         else    // Reset any kind of formatting
         {
-            textView.attributedText = NSAttributedString(string: textView.text, attributes: [.font: textView.font!])   // Resets any kind of attributes
+            textView.attributedText = NSAttributedString(string: textView.text, attributes: [NSFontAttributeName: textView.font!])   // Resets any kind of attributes
         }
 
         // Reapply the range
@@ -439,10 +439,10 @@ public class VSTwitterTextCounter: UIControl
         paragraphStyle.alignment = .right
 
         let textFontAttributes = [
-            .font: font,
-            .foregroundColor: textColor,
-            .paragraphStyle: paragraphStyle
-            ] as [NSAttributedStringKey: Any]
+            NSFontAttributeName: font,
+            NSForegroundColorAttributeName: textColor,
+            NSParagraphStyleAttributeName: paragraphStyle
+            ]
 
         let options: NSStringDrawingOptions = [.usesLineFragmentOrigin]