libpt

libpt is used at run time in 5 crates.

Number of dependers	libpt version	Downloads/month
0	0.7.4	20
2	0.6.0	2
1	0.5.1	45
2	0.3.11	0

Depender (with downloads and own rev deps)			libpt version
280		crock		^0.6.0
160		hedu		^0.5.1
150		numf		^0.6.0
		netpong		^0.3.11
		autocrate		^0.3.11