Fixes and tweaks for Crystal 0.28

Bump version to 0.5.1

shard.yml

@@ -1,12 +1,12 @@
 name: spectator
-version: 0.5.0
+version: 0.5.1
 description: |
   A feature-rich spec testing framework for Crystal with similarities to RSpec.
 
 authors:
   - Michael Miller <icy.arctic.fox@gmail.com>
 
-crystal: 0.27.2
+crystal: 0.28.0
 
 license: MIT
 

src/spectator/dsl/structure_dsl.cr

@@ -812,7 +812,7 @@ module Spectator::DSL
     # so the same value is returned with consecutive calls.
     #
     # ```
-    # let(current_time) { Time.now }
+    # let(current_time) { Time.utc }
     #
     # it "lazy evaluates" do
     #   now = current_time
@@ -893,7 +893,7 @@ module Spectator::DSL
     # Unlike `#let`, the value is not cached and is recreated on each call.
     #
     # ```
-    # let!(current_time) { Time.now }
+    # let!(current_time) { Time.utc }
     #
     # it "lazy evaluates" do
     #   now = current_time

src/spectator/expectations/block_expectation_partial.cr

@@ -11,14 +11,14 @@ module Spectator::Expectations
     # Creates the expectation partial.
     # The label should be a string representation of the block.
     # The block is stored for later use.
-    protected def initialize(@block : Proc(ReturnType), label, source_file, source_line)
+    def initialize(@block : Proc(ReturnType), label, source_file, source_line)
       super(label, source_file, source_line)
     end
 
     # Creates the expectation partial.
     # The label is generated by calling to_s on the block.
     # The block is stored for later use.
-    protected def initialize(@block : Proc(ReturnType), source_file, source_line)
+    def initialize(@block : Proc(ReturnType), source_file, source_line)
       super("<Proc>", source_file, source_line)
     end
   end

src/spectator/expectations/value_expectation_partial.cr

@@ -10,14 +10,14 @@ module Spectator::Expectations
     # Creates the expectation partial.
     # The label should be a string representation of the actual value.
     # The actual value is stored for later use.
-    protected def initialize(@actual : ActualType, label, source_file, source_line)
+    def initialize(@actual : ActualType, label, source_file, source_line)
       super(label, source_file, source_line)
     end
 
     # Creates the expectation partial.
     # The label is generated by calling `to_s` on the actual value.
     # The actual value is stored for later use.
-    protected def initialize(@actual : ActualType, source_file, source_line)
+    def initialize(@actual : ActualType, source_file, source_line)
       super(@actual.to_s, source_file, source_line)
     end
   end