Add methods for working with issues
Add methods for working with issues

Allow to add/update/delete/get/list issues. With param option
can set up a filter when gettings issues. Also the format response
format can be specified this way.

wadevries/BitBucket-api,chaiapodi/BitBucket-api,robwilkerson/BitBucket-api,kubilayeksioglu/BitBucket-api,Sheeprider/BitBucket-api,chaiapodi/BitBucket-api,Sheeprider/BitBucket-api,affinitic/BitBucket-api,CBitLabs/BitBucket-api