Add tests and allow more liberal spacing with get/instant calls

src/compilers/po.compiler.ts

@@ -25,7 +25,7 @@ export class PoCompiler implements CompilerInterface {
 						msgstr: collection.get(key)
 					};
 					return translations;
-				}, <any>{})
+				}, <any> {})
 			}
 		};
 
@@ -45,7 +45,7 @@ export class PoCompiler implements CompilerInterface {
 			.reduce((values, key) => {
 				values[key] = po.translations[this.domain][key].msgstr.pop();
 				return values;
-			}, <TranslationType>{});
+			}, <TranslationType> {});
 
 		return new TranslationCollection(values);
 	}