Fixed an oversight in #555 Cluster literals could erroneously be assigned to references
Improved the solution to embed documentation files in packages (see #598)
Added missing docstring for ticket #586
Fixed axis calculation for ticket #595
Improved implementation of ticket #571 Made autocompletion of procedure names case insensitive.
Fixed a regression introduced with [r869], which removed the necessary quotation mark and made the changes for #577 unfunctional.
Implemented ticket #599 "create a string version of 'unique()'"
Implemented ticket #598 "Include whole files into packages"
Implemented ticket #526 "Implement user-defined constants"
Implemented ticket #595 "Create 'plain' option for 'fft'"