Merge pull request #49 from Rapporter/development

further fixes in input limits & updated docs - thanks @aL3xa
Made range limit specifications mandatory for number inputs
Merge pull request #50 from Rapporter/development

add new demo template
Merge pull request #51 from Rapporter/development

Yet another limit fix
Merge pull request #52 from Rapporter/development

fix: string max limit forced to be below 50
Merge pull request #53 from Rapporter/development

fix: string min limit was changed to 0 a while ago
Merged development with master
Merge branch 'master' of github.com:Rapporter/rapport
Fixed merge error #whydoesthisalwayshappenonmasterbranch
Merge branch 'development'
Updated table headers font
In ANOVA template effect of interaction instead of interaction
ANOVA spelling correction
Merge pull request #68 from nagydaniel/anova-interaction

In ANOVA template effect of interaction instead of interaction
Merge pull request #69 from nagydaniel/anova-spelling

ANOVA spelling correction
Coerce factor interaction to logical value
Merge branch 'master' of github.com:Rapporter/rapport
Brought back that + sign
Merge branch 'development'
Merging with development in order to fix the is.vector bug