Missing includes fixed for gcc 11

2.1.6

Missing includes fixed

Add missing include

2.1.5

Add missing include

Add missing include

2.1.4

Add missing include

Fix build issues on jammy

2.1.3

Fix build issue on jammy

Fix bug in manual generator

2.1.2

Fix bug in manual generator

Fix for octave's exit exception crash

For more information see http://savannah.gnu.org/bugs/?49271

Fix #118 and #120

2.1

Fix #118 and #120

Fix build issues on systems without C.UTF-8 locale

2.0.2

Fix build issue on systems without C.UTF-8 locale

2.0.1

Make it compile on 18.04

2.0

2.0 release