Fix boolean columns clobbering subsequent tinyint columns (#55)

* Fix boolean columns clobbering subsequent tinyint columns

* Start up the database before setting up the example files

Makefile

@@ -77,6 +77,7 @@ test-coverage-clover: ## Run all tests and output clover coverage to file.
 
 .PHONY: example
 example: ## Set up example project and schema
+example: start-db
 	[ ! -f morphism.conf ] && cp example/morphism.conf.example morphism.conf || true
 	rm -rf schema schema2
 	mkdir -p schema/morphism-test schema2/morphism-test

src/Parse/ColumnDefinition.php

@@ -274,6 +274,8 @@ private function parseColumnDatatype(TokenStream $stream)
             case 'bool':
             case 'boolean':
                 $format = [1];
+                /* Take a copy so that edits don't make it back into the runtime cache. */
+                $typeInfo = clone $typeInfo;
                 $typeInfo->allowSign = false;
                 $typeInfo->allowZerofill = false;
                 break;