Incorrect phoneMask for Bolivia numbers #185

The Bolivian mask is incorrect. Analyzing the code, Bolivia is following this formatter:
{
'country': 'Bolivia, Plurinational State of',
'countryRU': 'Боливия, Многонациональное Государство',
'internalPhoneCode': '591',
'countryCode': 'BO',
'phoneMask': '+000 000 000 0000',
}

However, the formatting should be "+000 0000 0000"