Version, click structure, vcf input

- Added version parameter
- Added version flag with callback function
- Changed version to 0.0.1 i.e major.minor.patch
- Changed verbose croaks to stderr
- Added version croak to stderr when executing for traceability
- Restructured click architecture to only contain sub commands build and serve
- Changed doc strings
- Added option: "--dialect", "--host", "--port" to $pScout build
- Changed option "variant_file" to enable pipe or supplied file
- Added third party tool "vcf"
- Added vcf read iter object using stream or file
Bumped version number
Merge branch 'release/vcfInput'