Minor improvements

pe_lib/pe_base.cpp

pe_lib/pe_base.h

pe_lib/pe_exception.h

pe_lib/pe_resource_manager.cpp

pe_lib/pe_structures.h

samples/address_convertions/main.cpp

samples/basic_dotnet_viewer/main.cpp

samples/basic_info_viewer/main.cpp

samples/bound_import_reader/main.cpp

samples/debug_info_reader/main.cpp

samples/entropy_calculator/main.cpp

samples/exception_dir_reader/main.cpp

samples/export_adder/main.cpp

samples/exports_reader/main.cpp

samples/full_pe_rebuilder/main.cpp

samples/image_config_editor/main.cpp

samples/import_adder/main.cpp

samples/imports_reader/main.cpp

samples/pe_config_reader/main.cpp

samples/pe_realigner/main.cpp