Fixed characters deprecation warnings. Updated meta data

Gemfile

@@ -1,4 +1,5 @@
 source "https://rubygems.org"
 
+gem "cocoapods"
 gem "synx"
 gem "jazzy"

Gemfile.lock

@@ -1,79 +1,82 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    CFPropertyList (2.3.5)
-    activesupport (4.2.9)
+    CFPropertyList (2.3.6)
+    activesupport (4.2.10)
       i18n (~> 0.7)
       minitest (~> 5.1)
       thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
+    atomos (0.1.2)
     claide (1.0.2)
     clamp (0.6.5)
-    cocoapods (1.3.1)
+    cocoapods (1.4.0)
       activesupport (>= 4.0.2, < 5)
       claide (>= 1.0.2, < 2.0)
-      cocoapods-core (= 1.3.1)
-      cocoapods-deintegrate (>= 1.0.1, < 2.0)
+      cocoapods-core (= 1.4.0)
+      cocoapods-deintegrate (>= 1.0.2, < 2.0)
       cocoapods-downloader (>= 1.1.3, < 2.0)
       cocoapods-plugins (>= 1.0.0, < 2.0)
       cocoapods-search (>= 1.0.0, < 2.0)
       cocoapods-stats (>= 1.0.0, < 2.0)
-      cocoapods-trunk (>= 1.2.0, < 2.0)
+      cocoapods-trunk (>= 1.3.0, < 2.0)
       cocoapods-try (>= 1.1.0, < 2.0)
       colored2 (~> 3.1)
       escape (~> 0.0.4)
       fourflusher (~> 2.0.1)
       gh_inspector (~> 1.0)
-      molinillo (~> 0.5.7)
+      molinillo (~> 0.6.4)
       nap (~> 1.0)
       ruby-macho (~> 1.1)
-      xcodeproj (>= 1.5.1, < 2.0)
-    cocoapods-core (1.3.1)
+      xcodeproj (>= 1.5.4, < 2.0)
+    cocoapods-core (1.4.0)
       activesupport (>= 4.0.2, < 6)
       fuzzy_match (~> 2.0.4)
       nap (~> 1.0)
-    cocoapods-deintegrate (1.0.1)
+    cocoapods-deintegrate (1.0.2)
     cocoapods-downloader (1.1.3)
     cocoapods-plugins (1.0.0)
       nap
     cocoapods-search (1.0.0)
     cocoapods-stats (1.0.0)
-    cocoapods-trunk (1.2.0)
+    cocoapods-trunk (1.3.0)
       nap (>= 0.8, < 2.0)
-      netrc (= 0.7.8)
+      netrc (~> 0.11)
     cocoapods-try (1.1.0)
     colored2 (3.1.2)
     colorize (0.8.1)
+    concurrent-ruby (1.0.5)
     escape (0.0.4)
-    ffi (1.9.18)
+    ffi (1.9.23)
     fourflusher (2.0.1)
     fuzzy_match (2.0.4)
-    gh_inspector (1.0.3)
-    i18n (0.8.6)
-    jazzy (0.8.3)
+    gh_inspector (1.1.3)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
+    jazzy (0.9.1)
       cocoapods (~> 1.0)
       mustache (~> 0.99)
       open4
       redcarpet (~> 3.2)
-      rouge (~> 1.5)
+      rouge (>= 2.0.6, < 4.0)
       sass (~> 3.4)
       sqlite3 (~> 1.3)
       xcinvoke (~> 0.3.0)
     liferaft (0.0.6)
-    minitest (5.10.3)
-    molinillo (0.5.7)
+    minitest (5.11.3)
+    molinillo (0.6.4)
     mustache (0.99.8)
     nanaimo (0.2.3)
     nap (1.1.0)
-    netrc (0.7.8)
+    netrc (0.11.0)
     open4 (1.3.4)
-    rb-fsevent (0.10.2)
+    rb-fsevent (0.10.3)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)
     redcarpet (3.4.0)
-    rouge (1.11.1)
+    rouge (3.1.1)
     ruby-macho (1.1.0)
-    sass (3.5.1)
+    sass (3.5.5)
       sass-listen (~> 4.0.0)
     sass-listen (4.0.0)
       rb-fsevent (~> 0.9, >= 0.9.4)
@@ -84,12 +87,13 @@ GEM
       colorize (~> 0.7)
       xcodeproj (~> 1.0)
     thread_safe (0.3.6)
-    tzinfo (1.2.3)
+    tzinfo (1.2.5)
       thread_safe (~> 0.1)
     xcinvoke (0.3.0)
       liferaft (~> 0.0.6)
-    xcodeproj (1.5.1)
+    xcodeproj (1.5.6)
       CFPropertyList (~> 2.3.3)
+      atomos (~> 0.1.2)
       claide (>= 1.0.2, < 2.0)
       colored2 (~> 3.1)
       nanaimo (~> 0.2.3)
@@ -98,8 +102,9 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
+  cocoapods
   jazzy
   synx
 
 BUNDLED WITH
-   1.15.4
+   1.16.1

Guitar.podspec

@@ -1,25 +1,29 @@
 Pod::Spec.new do |s|
+  # Version
+  s.version         = '0.3.1'
+  s.swift_version   = '4.0'
+
+  # Meta
   s.name             = 'Guitar'
-  s.version          = '0.3.0'
   s.summary          = 'A Cross-Platform String and Regular Expression Library Written in Swift.'
-
-description      = <<-DESC
-A Cross-Platform String and Regular Expression Library written in Swift.
+  s.homepage         = 'https://github.com/ArtSabintsev/Guitar'
+  s.social_media_url = 'https://twitter.com/artsabintsev'
+  s.license          = { :type => 'MIT', :file => 'LICENSE' }
+  s.author           = { 'Arthur Ariel Sabintsev' => '[email protected]' }
+  s.description      = <<-DESC
+                        A Cross-Platform String and Regular Expression Library written in Swift.
                        DESC
 
+  # Deployment Targets
   s.ios.deployment_target = '9.0'
   s.osx.deployment_target = '10.11'
   s.tvos.deployment_target = '9.0'
   s.watchos.deployment_target = '3.0'
 
-  s.homepage         = 'https://github.com/ArtSabintsev/Guitar'
-  s.license          = { :type => 'MIT', :file => 'LICENSE' }
-  s.author           = { 'Arthur Ariel Sabintsev' => '[email protected]' }
+  # Sources
   s.source           = { :git => 'https://github.com/ArtSabintsev/Guitar.git', :tag => s.version.to_s }
-  s.social_media_url = 'https://twitter.com/artsabintsev'
 
   s.framework = 'Foundation'
-
   s.source_files = 'Sources/*.swift'
 
 end

Sources/Guitar.swift

@@ -43,7 +43,7 @@ public struct Guitar {
     ///
     /// - Returns: A list of matches.
     public func evaluateForRanges(from string: String, with options: NSRegularExpression.Options = []) -> [Range<String.Index>] {
-        let range = NSRange(location: 0, length: string.characters.count)
+        let range = NSRange(location: 0, length: string.count)
         guard let regex = try? NSRegularExpression(pattern: pattern, options: options) else {
             return []
         }

Sources/GuitarCase.swift

@@ -114,7 +114,7 @@ public extension String {
     @discardableResult
     func splitWordsByCase() -> String {
         var newStringArray: [String] = []
-        for character in Guitar.sanitze(string: self).characters {
+        for character in Guitar.sanitze(string: self) {
             if String(character) == String(character).uppercased() {
                 newStringArray.append(" ")
             }
@@ -138,7 +138,7 @@ public extension String {
     /// - Returns: The swap cased copy of the string.
     @discardableResult
     func swapCased() -> String {
-        return characters.map({
+        return map({
             String($0).isLowercased() ? String($0).uppercased() : String($0).lowercased()
         }).joined()
     }

Sources/GuitarPadding.swift

@@ -31,7 +31,7 @@ public extension String {
     ///   - token: The string used to pad the String. Must be 1 character in length. Defaults to a white space if the parameter is left blank.
     /// - Returns: The padded copy of the string.
     func pad(length: Int, withToken token: String = " ") -> String {
-        guard padConditionsSatisfied(tokenCount: token.characters.count, length: length) else { return self }
+        guard padConditionsSatisfied(tokenCount: token.count, length: length) else { return self }
 
         let delta = Int(ceil(Double(length-count)/2))
         return padLeft(length: length-delta, withToken: token).padRight(length: length, withToken: token)
@@ -58,10 +58,10 @@ public extension String {
     /// - Returns: The left-padded copy of the string.
     @discardableResult
     func padLeft(length: Int, withToken token: String = " ") -> String {
-        guard padConditionsSatisfied(tokenCount: token.characters.count, length: length) else { return self }
+        guard padConditionsSatisfied(tokenCount: token.count, length: length) else { return self }
 
         var s = self
-        repeat { s.insert(token.characters[token.startIndex], at: startIndex) } while s.characters.count < length
+        repeat { s.insert(token[token.startIndex], at: startIndex) } while s.count < length
         return s
     }
 
@@ -85,10 +85,10 @@ public extension String {
     /// - Returns: The right-padded copy of the string.
     @discardableResult
     func padRight(length: Int, withToken token: String = " ") -> String {
-        guard padConditionsSatisfied(tokenCount: token.characters.count, length: length) else { return self }
+        guard padConditionsSatisfied(tokenCount: token.count, length: length) else { return self }
 
         var s = self
-        repeat { s.insert(token.characters[token.startIndex], at: endIndex) } while s.characters.count < length
+        repeat { s.insert(token[token.startIndex], at: endIndex) } while s.count < length
         return s
     }
 
@@ -103,7 +103,7 @@ private extension String {
     ///   - length: The final length of the string.
     /// - Returns: True, if the string can be padded. Otherise, false.
     func padConditionsSatisfied(tokenCount: Int, length: Int) -> Bool {
-        guard length > characters.count, tokenCount == 1 else { return false }
+        guard length > count, tokenCount == 1 else { return false }
         return true
     }