Prepare 0.6.4 release

Author: dehesa

.github/ISSUE_TEMPLATE/bug_report.md

@@ -20,7 +20,7 @@ A clear and concise description of what you expected to happen.
 
 ## System
  - OS: [e.g. macOS 11, iOS 14, Ubuntu 20.04]
- - CodableCSV: [e.g. 0.6.3]
+ - CodableCSV: [e.g. 0.6.4]
    You can check this in your SPM `Package.swift` file (or `Package.resolved` file). Alternatively, go to Xcode's Source Control Navigator (`⌘+2`) and click on `CodableCSV`.
 
 ## Additional context

.github/ISSUE_TEMPLATE/question.md

@@ -16,5 +16,5 @@ Add any other context about the question here (or delete this section if it is u
 ## System
 Delete section if not applicable
  - OS: [e.g. macOS 11, iOS 14, Ubuntu 20.04]
- - CodableCSV: [e.g. 0.6.3]
+ - CodableCSV: [e.g. 0.6.4]
    You can check this in your SPM `Package.swift` file (or `Package.resolved` file). Alternatively, go to Xcode's Source Control Navigator (`⌘+2`) and click on `CodableCSV`.

CodableCSV.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = "CodableCSV"
-  s.version      = "0.6.3"
+  s.version      = "0.6.4"
   s.summary      = "Read and write CSV files row-by-row or through Swift's Codable interface."
   s.description  = <<-DESC
     CodableCSV offers imperative and declarative ways to read and write CSV files. It is extensively configurable and is capable of reading multiple types of entries and write to many outputs.

README.md

@@ -37,7 +37,7 @@ You can choose to add the library through SPM or Cocoapods:
     let package = Package(
         /* Your package name, supported platforms, and generated products go here */
         dependencies: [
-            .package(url: "https://github.com/dehesa/CodableCSV.git", from: "0.6.3")
+            .package(url: "https://github.com/dehesa/CodableCSV.git", from: "0.6.4")
         ],
         targets: [
             .target(name: /* Your target name here */, dependencies: ["CodableCSV"])
@@ -48,7 +48,7 @@ You can choose to add the library through SPM or Cocoapods:
 -   [Cocoapods](https://cocoapods.org).
 
     ```
-    pod 'CodableCSV', '~> 0.6.3'
+    pod 'CodableCSV', '~> 0.6.4'
     ```
 
 </p></details>