v0.1.48

Update 08-acknowledgements.md

Small corrections to last release

v0.1.47

correcting format error

additions to introduction

v0.1.46

Update 04-introduction.md

v0.1.45

Update 04-introduction.md

v0.1.44

Update 04-introduction.md

v0.1.43

Update 04-introduction.md

v0.1.42

Update 04-introduction.md

adding references

v0.1.41

Update 04-introduction.md

releasing Alan's editd

v0.1.40

Update 04-introduction.md

v0.1.39

adding reference for the Linnaeus quote