Version 0.4.0

Changelog

• Merged #55. Fixed documentation with cdn links to lisk-js. @Tosch110
• Merged #56. Fixed typo of error message in lisk-js example. @Tosch110
• Merged #65. Fixed #57 and #64. @senikk
• Merged #68. Changing license from MIT to GPLv3. @karmacoma
• Merged #66. Added missing API features - Fixes #61, #60. @Tosch110
• Merged #70. Fixed typo in listStandbyDelegates function - Fixes #69. @Tosch110
• Merged #75. Added test coverage for transfer.js - Fixes #50. @Tosch110
• Merged #78. Added test coverage for multisignature.js - Fixes #49. @Tosch110
• Merged #90. Speeding up travis build by caching node_modules - Closes #79. @Tosch110
• Merged #81. Added message encryption functionality - Fixes #72. @Tosch110
• Merged #86. Fixed incorrect offset in LiskAPI.prototype.listStandyDelegates - Fixes #85. @slaweet
• Merged #87. Made send request promisable - Fixes #82. @Tosch110
• Merged #90. Added browser tests - Fixes #89. @Tosch110
• Merged #92. Changed testnet explorer IP address to testnet domain - Closes #91. @Tosch110
• Merged #94. Added ports to testnet and ssl in lisk.api().listPeers() - Closes #93. @Tosch110
• Merged #88. Completed multisignature module - Closes #88. @Tosch110
• Merged #97. Finished YUIdoc for new functions - Closes #71. @Tosch110
• Merged #99. Updated docs - Closes #98. @Tosch110
• Merged #101. Added multisignature transactions retrievability - Closes #100. @Tosch110
• Merged #105. Preparing for 0.4.0 release. @karmacoma