updated guidance notes
update version.md
Version: 0.1.2 --- Author's draft ---

—— Author's revisions ——
—— Syllabus (Ch2) ——
Version 1.1.2 -- Author's draft

Syllabus (Ch.2)
Version: 0.1.4 --- Author's draft

Change: --- Author's revisions ---
+ re-instated historical background
0.1.4 --- Author's draft

- re-instated historical background
Version: 0.1.5 --- Author's draft

Change: --- chapters 1, 2 reversed
Version: 0.1.6 --- Author's draft

Change: --- Author's revisions ---
--- chapter 2 revised
Version: 0.1.6 --- Author's draft

Change: --- Author's revisions ---
--- miscellaneous ---
Version: 0.1.7 --- Author's draft

Change: --- Author's revisions ---
--- chapter 2 completed ---
--- figures renamed ---
Merge branch 'current'