[#184] improve project scan time

See #185, release log:

• bffbd33 by @rultor: Merge branch '__rultor'
• 81f4197 by @rultor: Merge branch '__rultor'
• b7af4d4 by @mbao01: [#184] include dot files
• 944e485 by @mbao01: [#184] handle test case
• acf521e by @mbao01: [#184] improve project scan ti...
• ac119ad by @mbao01: [#134] remove retrogression co...
• 5534118 by @mbao01: [#176] fix tests
• 9a851c8 by @mbao01: [#176] fix include and exclude...
• 8742079 by @mbao01: [#176] only include or exlude ...
• 13012ef by @rultor: Merge branch '__rultor'
• f2bb74c by @rultor: Merge branch '__rultor'
• 7935dc0 by @yegor256: Merge pull request #180 from m...
• 30db3ec by @mbao01: [#178] fix crash - ENOENT
• a753813 by @mbao01: [#80] resolve merge conflict
• 7a17eb9 by @mbao01: [#80] shorten method size
• 69cd426 by @Doldrums: [#174] fix intro of section
• 8843c14 by @rultor: Merge branch '__rultor'
• 5731002 by @Doldrums: [#174] rewrite readme
• b6f6ae4 by @Doldrums: [#174] rewrite readme
• 867c489 by @Doldrums: [#132] fix puzzle desc length
• and 21 more...

Released by Rultor 1.70.6, see build log