removed vendor from repository
moved phpunit config
added travis config
PSR-2 updates
updated dependency stability
removed static components when using singleton
added string generator

this generator removes characters that may confuse users, such as oO0,
il1
updated defaults
captcha supporting random selection of space definition
added background 13 and 14
added noise 15
added authorship in composer
added freckleface font
removed S and 5 from string list
updates to point of random
removed unused code
fixed up static call in captcha