Java OCR and CAPTCHA recognition engine 4.2.0

+ 自定义插件处理方法代码中，可以通过 imageClean 参数的 setImage 方法直接修改图像
+ 图片清理添加边缘检测工具类 EdgeDetect
+ 图片清理内部添加 changeContrastAndBrightness 方法
+ 添加 oblique() 倾斜校正清理函数
+ 白名单进行缓存，性能优化
+ Language 自定义，可自定义和组合训练的语言，例如：e.setLanguage(new
Language("newmoney+eng"));
# 旋转 Bug 修复
# 图片清理类，imageType 默认为 ImageType.NONE，不做任何清理
# amendWords 按文件定义顺序处理，HashMap改为LinkedHashMap
# 自定义插件处理方法代码中，可以通过 imageClean 参数的 cancleRatio
方法禁用本次图片的形变比例，适合在插件中动态自定义形变
# 自定义插件固定 # 号分隔方法

+ Custom plug-processing method code, you can directly modify the image
by setImage method imageClean parameters
+ Image Cleanup added edge detection tools EdgeDetect
+ Image cleanup internal method to add change ContrastAndBrightness
+ Add oblique() skew correction cleanup function
+ Whitelist cache, performance optimization
+ Language customization, customization and training of language
combinations, such as: e.setLanguage(new Language ( "newmoney + eng"));
# Bug fixes rotation
# Image cleanup class, imageType default ImageType.NONE, without any
cleanup
# amendWords file defines the order of processing, HashMap instead
LinkedHashMap
# Custom plug-in processing method code, you can disable this image
deformation ratio by cancleRatio method imageClean parameters for
dynamic deformation in a custom plug-in
# Custom plug-in method for separating fixed # mark