FIX: take into account that record length can be less than 1s.
FIX: read_segment when record_length is less than 1s.

ADD: n_records to edf info

FIX: minor error
Merge pull request #896 from t3on/edf2fiff-FIX

FIX: take into account that record length can be less than 1s.
FIX: don't import mne in setup.py
Merge pull request #898 from mluessi/fix_setup_import_mne

FIX: Don't import mne in setup.py