statistics-resampling-v5.5.7

Minor update

• Correction to demo 6 in sampszcalc
• Added extra demo to randtest2 and an example CSV data file
• Modified the readme file to include various more options to try out or use the statistics-resampling package online
• Removed a redundant calculation from bootbayes
• Added failsafe to Makefile
• Improved documentation in bootlm including more guidance around the use of it's ANOVA capabilities