char juggling

README.md

@@ -22,7 +22,7 @@ suites with concurrent testing.
 ```
 using RAITest
 
-resize_test_engine_pool(2)
+resize_test_engine_pool!(2)
 
 @test_rel("def output = 1 ic {output = 1}")
 
@@ -31,7 +31,7 @@ resize_test_engine_pool(2)
     query = "def output = 1 ic {output = 1}",
 )
 
-destroy_test_engines()
+destroy_test_engines!()
 ```
 
 Add an existing engine to the test engine pool.
@@ -51,7 +51,7 @@ Run multiple tests concurrently.
 using RAITest
 using Test
 
-resize_test_engine_pool(3)
+resize_test_engine_pool!(3)
 
 # Instead of provisioning as needed, provision in advance
 provision_all_test_engines()
@@ -63,7 +63,7 @@ provision_all_test_engines()
     end
 end
 
-destroy_test_engines()
+destroy_test_engines!()
 ```
 
 Run multiple tests concurrently with a custom engine provider.
@@ -74,11 +74,11 @@ using Test
 
 # Always use `my_existing_engine_name` as the engine name. This must already be created as
 # RAITest will not create the engine itself
-set_engine_name_provider(()->"my_existing_engine_name")
+set_engine_name_provider!()->"my_existing_engine_name")
 
 # Releasing the engine does nothing. Controlling the engine use and cleanup is not handled
 # by RAITest
-set_engine_name_releaser((name::String)->return)
+set_engine_name_releaser!(name::String)->return)
 
 @testset "My tests" begin
     for i in 1:10