alpha:
- first revision
- modified extcalc math algorithms to work in calc
- modified accerelated algorithms for integration and differentiation for calc

0.2.2:
- inserted new extcalc algorithms
- enabled command-line options -v (version) -h (help) -o (output length) -a (angle)

0.3.0:
- updated to extcalc 0.3.0 algorithms

0.3.1:
- variables can be used
- answer memory works

0.4.0
- problems with roots solved
- update to calculation algorithms v0.4.0

0.4.5
- supports scripting
- updated manpage

0.5.0
- full scripting support (including subprograms, arrays, brake, continue, ...)
- script debug messages
- documentation update
- bugfixed calculator algorithms

0.6.0
- updated to Extcalc calculator algorithms v0.6.0
- fixed bug in script interpreter (BSD)

0.6.5
- updated to Execalc algorithms v0.6.5
- support for complex numbers

0.7.0
- updated to Extcalc algorithms v0.7.0
- added option to switch complex numbers on and off
- added preferences preprocessor
- fixed bug in installer

0.8.0
- updated to Extcalc algorithms v0.7.0
- script interpreter supports file usage

0.9.1
-updated to Extcalc algorithms v0.9.1
