Changelog has unreleased section

changelog.md

@@ -1,3 +1,7 @@
+unreleased:
+- added check box to numberlineedits to switch between user input and spreadsheet
+- re-enabled MLprediciton
+- fixed bug in gui where manual sample couldnt be created when run nubmer was negative.
 0.2.67
 - added run number to sampleshortinfo
 - ingest raster result, including beam center to database