Prepare 0.5.1 release

Author: dehesa

CodableCSV.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name             = 'CodableCSV'
-  s.version          = '0.5.0'
+  s.version          = '0.5.1'
   s.summary          = "Read and write CSV files row-by-row or through Swift's Codable interface."
 
   s.homepage         = 'https://github.com/dehesa/CodableCSV'

Package.swift

@@ -14,10 +14,10 @@ let package = Package(
         .target(
             name: "CodableCSV",
             dependencies: [],
-            path: "Sources"),
+            path: "sources"),
         .testTarget(
             name: "CodableCSVTests",
             dependencies: ["CodableCSV"],
-            path: "Tests"),
+            path: "tests"),
     ]
 )