[Issue #30] Backward barfing/slurping now properly move the expression prefixes (, ,@ ` ')
[Issue #30] Fixed kill-sexp to properly include expression prefix
[Issue #30] Fix selection operations to properly include expression prefix
[Issue #30] Fixed splicing functions to properly remove expression prefix
Do not alter overlays from other libraries

fixes #38
Merge pull request #40 from tkf/issue-38-dont-modify-other-overlays

Do not alter overlays from other libraries