added SPL examples
first try on unlit.hs
a working unlit
replace non ascii characters in examples
new examples from Jochem & Yannic
first lexer, parser and pprinter
fixed parser due to some tests

* used own language definition in lexer
* renamed parensized to group
* wrote alternative method to parse parentesized, comma separated lists
* make sure declaration does not eat statments
colored pretty printer!
changed parseSourceFile function
updated examples
talk about first version of parser
renamed pretty printer
some renames
highlight operators
variable to value rename
moved talks and reports to Documents/
document about analyser
small enhansements
Data.Map extensions
a multimap