Update README.txt

Some of v1.4.1 release notes
Update modlist.txt

Some of v1.4.1 changes
Update README.txt

v1.4.1 release notes
Update README.txt

Minor edit to v1.4.1 release notes
Merge pull request #29 from VictiniX888/v1.4.1

v1.4.1 (closes #14, closes #28)