Issue #215: editor small bug
Fixed buffer overrun
Fixed buffer overrun (similar to the previous fix)
TextSearch(): fixed bufer overrun
Issue #217: wcm crashes on Alt+Symbol search

Conflicts:
	wcm/ncwin.cpp
	wcm/panel.cpp
Issue #218: replace GetWindowDC
Updated changelog for 0.17.1
Merge branch 'release-0.17.1'

Conflicts:
	wcm/ncwin.cpp