some analysis fixes

Author: tomarra

example/lib/example.dart

@@ -7,4 +7,4 @@
 /// # see usage
 /// example_cli --help
 /// ```
-library example;
+library;

example/test/integration/completion_integration_test.dart

@@ -1,5 +1,5 @@
 @Tags(['integration'])
-library integration_tests;
+library;
 
 import 'package:test/test.dart';
 

lib/cli_completion.dart

@@ -1,6 +1,6 @@
 /// Contains the completion command runner based elements to add completion to
 /// dart command line applications.
-library cli_completion;
+library;
 
 export 'src/command_runner/commands/commands.dart';
 export 'src/command_runner/completion_command_runner.dart';

lib/installer.dart

@@ -1,6 +1,6 @@
 /// Contains the functions related to the installation process
 /// {@canonicalFor system_shell.SystemShell}
-library installer;
+library;
 
 export 'src/installer/installer.dart';
 export 'src/system_shell.dart';

lib/parser.dart

@@ -1,6 +1,6 @@
 /// Contains the classes and functions related to the creation of suggestions
 /// for the completion of commands.
-library parser;
+library;
 
 export 'src/parser/completion_level.dart';
 export 'src/parser/completion_result.dart';

lib/src/parser/arg_parser_extension.dart

@@ -23,7 +23,7 @@ extension ArgParserExtension on ArgParser {
     while (currentArgs.isNotEmpty) {
       try {
         return loosenOptionsGramamar.parse(currentArgs);
-      } catch (_) {
+      } on Exception catch (_) {
         currentArgs = currentArgs.take(currentArgs.length - 1).toList();
       }
     }

test/src/installer/script_configuration_entry_test.dart

@@ -1,3 +1,4 @@
+// Not needed for test files
 // ignore_for_file: prefer_const_constructors
 
 import 'dart:io';