segy: move imports to top
inform about single channel requirement for SEG-Y save
menu tweaks: reorder; rename Export CSV menu item
make sure file list is sorted on project open
fix memory leak when switching profiles
force quit when only console is left
put version to version.py and .msi filename
xtf.test_copy function
About box
Project home page in about box
limit to .xtf files when importing
batch save buttons; hide SEG-Y label
implement batch export buttons
reorder menus
version 0.4