[Issue #91] Fix the "no mark" error. Rewritten `sp-select-next-thing`, the selection code is refactored out.
Add `ignore-errors` to post-command handler to prevent its removal
Fix `sp-transpose-sexp` error if point is inside symbol and object modifier is active. Also fix problem with not skipping prefix with backward transpose
[Issue #93] Fix a situation when a pair is not entered before the closing string.
[Issue #89] add `sp-wrap-deactivate-smart-symbol-wrapping` option to disable wrapping of entire symbol under point.
[Issue #87] Add customize `sp-wrap-from-point` to wrap from point and not start of next expression.
Refactor `sp-point-in-symbol` out as a function.
[Issue #94] Fix jumping out of comments with `sp-up-sexp`
[Issue #89] Rename `sp-wrap-deactivate-smart-symbol-wrapping` to `sp-wrap-entire-symbol`.