updated errors in documentation, typos and bugs in new call spots and…

[reillytilbury]

… set new default param for conc param parallel in call spots

Checklist

• [ ] I have updated the changelog.txt, if applicable.
• [ ] I have bumped the software version in _version.py, if applicable.
• [x] I have checked that the unit tests passed.
• [x] I have checked that Minnie and/or RoboMinnie passed.
• [x] I have resolved merge conflicts.

[paulshuker]

This is great! Do you want me to merge this now?