Update to Spectre 0.9.0 (#247)

* update to Spectre 0.9.0

* fix variable spec tests

* fix flatMap warning

* updated CHANGELOG

Tests/StencilTests/TokenSpec.swift

@@ -1,34 +1,36 @@
+import XCTest
 import Spectre
 @testable import Stencil
 
+class TokenTests: XCTestCase {
+  func testToken() {
+    describe("Token") {
+      $0.it("can split the contents into components") {
+        let token = Token.text(value: "hello world", at: .unknown)
+        let components = token.components()
 
-func testToken() {
-  describe("Token") {
-    $0.it("can split the contents into components") {
-      let token = Token.text(value: "hello world", at: .unknown)
-      let components = token.components()
+        try expect(components.count) == 2
+        try expect(components[0]) == "hello"
+        try expect(components[1]) == "world"
+      }
 
-      try expect(components.count) == 2
-      try expect(components[0]) == "hello"
-      try expect(components[1]) == "world"
-    }
+      $0.it("can split the contents into components with single quoted strings") {
+        let token = Token.text(value: "hello 'kyle fuller'", at: .unknown)
+        let components = token.components()
 
-    $0.it("can split the contents into components with single quoted strings") {
-      let token = Token.text(value: "hello 'kyle fuller'", at: .unknown)
-      let components = token.components()
+        try expect(components.count) == 2
+        try expect(components[0]) == "hello"
+        try expect(components[1]) == "'kyle fuller'"
+      }
 
-      try expect(components.count) == 2
-      try expect(components[0]) == "hello"
-      try expect(components[1]) == "'kyle fuller'"
-    }
+      $0.it("can split the contents into components with double quoted strings") {
+        let token = Token.text(value: "hello \"kyle fuller\"", at: .unknown)
+        let components = token.components()
 
-    $0.it("can split the contents into components with double quoted strings") {
-      let token = Token.text(value: "hello \"kyle fuller\"", at: .unknown)
-      let components = token.components()
-
-      try expect(components.count) == 2
-      try expect(components[0]) == "hello"
-      try expect(components[1]) == "\"kyle fuller\""
+        try expect(components.count) == 2
+        try expect(components[0]) == "hello"
+        try expect(components[1]) == "\"kyle fuller\""
+      }
     }
   }
 }