Check for all vectors (besides the first) and not only the second?

[msmdev]

Seems like we only check this for the second vector here (and not the rest) or am I wrong?
Schouldn't we check for all besides the first one?

msmtools/msmtools/analysis/dense/gpcca.py

Line 421 in d662da6

if not (diffs[1] > 1e-6):

[michalk8]

Will be dealt with in #18
Implemented here: https://github.com/michalk8/msmtools/blob/gpcca_tests/msmtools/analysis/dense/gpcca.py#L419
Tested here: https://github.com/michalk8/msmtools/blob/gpcca_tests/tests/analysis/impl/dense/gpcca_test.py#L280