* tests: failing test for compute_drho edge case added.
* tests: example file for failing compute_drho added.
* tests: assertion that dvalue stays the same added to compute drho test.
* fix: another edge case in computation of drho fixed.
* tests: failing test for compute_drho edge case added.
* tests: example file for failing compute_drho added.
* tests: assertion that dvalue stays the same added to compute drho test.
* fix: another edge case in computation of drho fixed.
* fix: Conversion of an array with ndim > 0 to a scalar deprecation fixed.
* fix: adjusted maximal value for rho in test_gamma_method_irregular.
* fix: obs in f-strings now work again when no specifier is provided.
* fix: Conversion of an array with ndim > 0 to a scalar deprecation fixed.
* fix: adjusted maximal value for rho in test_gamma_method_irregular.
* fix: obs in f-strings now work again when no specifier is provided.
* corret type clause
* add tests, changes in create_json_string
* create json-string now gives back None
* revert changes
* fix panda sql export
* add SQL test
* fixed None type export for csv and sql.gz
* move None parsing to json io
* alter regex
* revert changes
* only replace None with empty str when necessary
* fixed deserialze_df for python 3.7
* add more tesets
* fix case where gz was ignored
* hand voer gz explicitly
* replace nan by None in non-Obs columns
* moved warning to csv export, mroe tests
* only values able to be nan are put in np.isnan()
* added python float for warning
* fix: String conversion of Obs can now handle a dvalue that is NaN or inf
* Feat: Added extraction of w0/a from openQCD files
* Removed unnecessary round in w0 routine
* Improved error handling in fit_t0
* Allowed to change the reference flow time in t0 and w0 determinations.
* Added doc string to fit_t0
* Fix: Corrected merging of idls
* Fix: Computation of drho in cases where tau_int is large compared to the chain length
* Removed unnecessary imports
* Refactor list comparisons in obs.py
* feat: first version of read flow observables for new hadrons module.
* feat: refactored t0 fit in seperate function and added extract_t0_hd5 to
hadrons submodule.
