LepTess

LepTess is used at run time in 3 crates.

Number of dependers	LepTess version	Downloads/month
1	0.14.0	800
1	0.13.4	200
1	0.11.0	18

Depender (with downloads and own rev deps)			LepTess version
260		subtile-ocr		^0.14
		vobsubocr		^0.13.1
		retrochoir		^0.11