support `display:inline-block`

for #9
Merge pull request #16 from hrj/i9_inline_block

support `display:inline-block`
Closes #9
constraint protocols to http, https and data

For #18
Merge pull request #19 from hrj/i18_disable_file_protocol

constraint protocols to http, https and data
for #18
minor refactor
Merge pull request #21 from hrj/temp/refactor_synch_arrayutils

minor refactor
Explain SSLHandshakeException
[cosmetic] better formatting of error messages
Merge pull request #22 from hrj/i11_exception_explain

explain the ssl handshake exception
[minor] Auto code-format
Merge pull request #23 from hrj/temp/format

[minor] Auto code-format