- This will turn off by default the trace plots

# Conflicts:
#	tupak/likelihood.py
#	tupak/sampler.py

- Check by calling the more standard log_likelihood
- Print the error message as well as the extra information

- Added parameters attribute to the base class
- and added calls to the base class in the subclasses.
- Also fixed some typos

- Fixes bug when setting truths
- Remove mu=None, sigma=None in hyper PE example

Add hyper-parameter likelihood

See merge request Monash/tupak!41

Move to corner

See merge request Monash/tupak!46

Fix marginalised likelihood

See merge request Monash/tupak!45

Add a new test which runs through the examples

See merge request Monash/tupak!44