reg.exe: Change convert_type_to_wchar() to use array
reg.exe: bugfix - always recursed even without /s flag
reg.exe: Add /ve support
reg.exe: Fix bug where REG_EXPAND_SZ would display as REG_SZ
reg.exe: clean up convert_data_to_wchar()
reg.exe: Make REG_MULTI_SZ parsing more legible