Change default cache separator to be Windows-compatible

src/Archiver/Handlers/CacheHandler.php

@@ -43,7 +43,7 @@ public function archive(Schema $schema): bool
 		foreach ($tables as $table)
 		{
 			$schema->tables->{$table->name} = true;
-			$this->cache->save($this->cacheKey . ':' . $table->name, $table, $this->config->ttl);
+			$this->cache->save($this->cacheKey . '-' . $table->name, $table, $this->config->ttl);
 		}
 
 		// Save the scaffold version of the schema

src/Reader/Handlers/CacheHandler.php

@@ -71,7 +71,7 @@ public function fetch($tables)
 		{
 			if ($this->tables->$tableName === true)
 			{
-				$this->tables->$tableName = $this->cache->get($this->cacheKey . ':' . $tableName);
+				$this->tables->$tableName = $this->cache->get($this->cacheKey . '-' . $tableName);
 			}
 		}
 

src/Traits/CacheHandlerTrait.php

@@ -28,7 +28,7 @@ trait CacheHandlerTrait
 	 public function cacheInit(CacheInterface $cache = null)
 	 {
 		// By default use an enviroment-specific name (helps with testing collisions)
-		$this->cacheKey = 'schema:' . ENVIRONMENT;
+		$this->cacheKey = 'schema-' . ENVIRONMENT;
 
 		// Use injected cache handler, or get the default from its service
 		if (is_null($cache))