correct amount of digits in specification
update InputPoint with new signature
remove dead code, improve formatting
update formatting, documentation on tests
update progress in specification
update progress
implement most of file input

- add configurable SEPARATOR
- guess file encoding
- use all available data for InputPoints (profile, line, x, y)
- add __repr__ methods to InputPoint and Profile
- implement Profiles
- make regular expression more readable
- check for equality instead of identity where applicable
- remove debug output