Add SML support
Modify README.md for SML update
Remove version history and know issues from main code file

These should be maintained in README.md
Bump version to 0.3.0
Merge branch 'feature-sml' into develop
Fix typo in sml file
Add eir-send-to-sml-semicolon as temporary fix for ; requirement
Add explanation for semicolon sending in SML
Say Standard ML rather than SML
Change phrasing for some explanations
Fix typos and errors in -pkg file
Merge branch 'develop' (SML support)

Conflicts:
	eval-in-repl.el