sltdl - a surrogate ltdl implementation

Age	Commit message (Expand)	Author	Files	Lines
2019-11-24	search path: lt_dlpathopen(): initial implementation.	midipix	1	-0/+47
2019-11-20	search path: lt_dl{add\|insert\|set\|get}searchdir(): initial implementation.	midipix	1	-0/+242
2019-11-20	internals: added lt_slock(), lt_sunlock().	midipix	2	-0/+22
2019-10-28	core: added lt_dlinit(), lt_dlexit() [global reference-counting].	midipix	1	-0/+40