Version 1.4.1

Bug fixes:
 * Fix folds being forgotten after debugging (issue #56)
 * Don't overwrite features array if it exists (issue #59)
 * Mapping of single modes (thanks @xbot, #66)
 * Stop empty buffers from being created (issue #70)
 * Fix ElementTree deprecation warning (thanks @InFog, #89)
 * Fix minheight error for windows (thanks @zhaocai, #73, also #84)
 * Fix filename handling on windows (thanks @Chronial, #74)
 * Use :mkexrc for restoring keymapping (thanks @Chronial and @qstrahl, #75)
 * Fix window destruction (thanks @Chronial, #76)
 * Inspect PHP constants with cursor eval (issue #80)
 * Don't cut final character when inspecting variables at end of line (issue #85)

Documentation:
 * Test suite requirements (thanks @michaeltwofish, #61)
 * Add helptag instructions to README (issue #67)
 * Add 'eval_visual' to documentation (issue #88)